Developer Tools AI Startup Jobs

Airwallex is a venture-backed fintech building cross-border payments and global financial infrastructure for businesses operating internationally. It offers multi-currency business accounts, global payments, cards, and embeddable money-movement APIs, and is expanding into AI-native and agentic finance products. The company runs dual global headquarters (Singapore and San Francisco) with a significant US presence and hiring footprint.

Cloud infrastructure platform providing affordable GPU compute for AI workloads and model training.

ElevenLabs is the leading AI voice technology platform, offering ultra-realistic text-to-speech, voice cloning, and audio AI tools used by content creators, enterprises, and developers worldwide. The company has grown to over $330M in annual recurring revenue and serves customers across 45+ countries including Deutsche Telekom and Revolut.

Fivetran builds automated ELT data pipelines with 700+ pre-built connectors that move data from SaaS apps, databases and files into cloud warehouses and lakehouses. In October 2025 it completed an all-stock merger with dbt Labs, adding data transformation and modeling to its movement layer for a combined entity approaching $600M ARR. Headquartered in Oakland, CA, it remains private and is the surviving brand with co-founder George Fraser as CEO.

Data infrastructure company providing high-quality training data for AI applications, recently partnered with Meta.

Cohere builds foundational AI models and enterprise solutions for search, generation, and agentic workflows. Their platform includes Command, Embed, Rerank, and the North agentic AI suite, enabling businesses to deploy secure, production-grade AI on private or sovereign infrastructure.

Company behind the open-source Grafana observability stack providing monitoring, logging, and tracing solutions, reaching $400M ARR as a fully remote company across 40+ countries.

A platform using artificial intelligence to support research in life sciences, chemical sciences, and materials sciences through autonomous AI labs building scientific superintelligence.

Enterprise search & AI assistant-find answers across company knowledge and apps.

LangChain provides open-source frameworks and a managed platform (LangSmith, LangGraph) for building, observing, and deploying LLM-powered applications and agents. Its composable, modular components let developers integrate large language models into production workflows. Backed by Sequoia and IVP, LangChain is the leading developer framework for agentic AI.

Enterprise voice AI platform offering Speech-to-Text, Text-to-Speech, and Voice Agent APIs for real-time and batch use, deployable in cloud or self-hosted.

Cognition is an applied AI lab building end-to-end software agents, best known for Devin, an autonomous AI software engineer that plans, writes, debugs and ships code. It acquired the agentic IDE Windsurf in July 2025 and now sells both Devin and Windsurf to enterprises including Goldman Sachs, Mercedes-Benz and Nasdaq-listed customers. Run-rate revenue reached roughly $492M as of May 2026.

Cloud platform for frontend teams building with Next.js and modern web frameworks, offering global edge infrastructure.

AI infrastructure company providing cloud GPUs, GPU clusters, private cloud, and hardware systems for AI training and inference workloads.

Full-stack AI engineer that lets anyone build complete web applications with plain English, transforming raw ideas into production-ready software with front-end and back-end functionality.

Platform for deploying and scaling machine learning models in production.

Kong Inc. provides an open-source API gateway, service mesh, and API management platform that lets developers connect, secure, and observe APIs and microservices across hybrid and multi-cloud environments. Its Konnect SaaS platform extends this into unified API lifecycle management and, more recently, connectivity for AI applications. Founded in 2009, Kong is a widely adopted developer-infrastructure company.

DualEntry is an AI-native ERP accounting suite that automates 90% of manual accounting tasks including general ledger, accounts receivable/payable, bank connections, audit controls, and FP&A, enabling modern finance teams to close books faster.

Agentic software creation platform enabling anyone to build applications using natural language with collaborative browser-based IDE

Neutral-atom quantum computing systems and software.

1Password provides password, secrets, and access management software for teams and enterprises, securing credentials, app access, and AI tool usage in one platform.

Postman is an API development and collaboration platform that enables developers to design, build, test, and document APIs. With over 30 million developers and 500,000 companies using the platform, it is the world's leading API platform. The company was founded in 2014 and reached $313M ARR at a $5.6B valuation.

Real-time patient booking and experience platform serving as an open data layer on top of EHRs, connecting patients, doctors, and healthcare developers with online booking, messaging, and payments.

API-first stock/ETF/crypto brokerage infrastructure for developers.

Together AI provides an AI-native cloud platform for inference, fine-tuning, GPU clusters, and large-scale model training, helping AI engineers and researchers build and scale open-source and enterprise AI systems.

Supabase is an open-source Firebase alternative providing a full backend-as-a-service platform built on PostgreSQL, including database, auth, realtime subscriptions, edge functions, storage, and vector embeddings for developers.

Reflection AI is building frontier open intelligence accessible to all, developing open-weight AI models. Founded by former Google DeepMind researchers who co-created AlphaGo, raised $2B at an $8B valuation.

Embeddings-based search infrastructure providing a meaning-aware search API for AI applications. Exa trains embedding models to convert web pages into vector representations, enabling semantic search that understands intent rather than just matching keywords.

CodeRabbit provides AI-powered code review tooling that reviews pull requests, understands code context, suggests fixes, and helps engineering teams improve code quality and developer productivity. Its platform integrates with developer workflows and focuses on automated, context-aware reviews for teams adopting AI-assisted software development.

Factory is the platform for agent-native software development, building AI-powered coding agents called Droids that automate tasks across the entire software development lifecycle. Used by enterprise engineering teams at MongoDB, EY, and Zapier, Factory delivers up to 31x faster feature delivery and 96% shorter migration times.

AI-native systems platform for modern agile engineering teams, providing lightweight requirements management with rigorous traceability for next-generation products from EVs to satellites.

Vultr offers global cloud compute services, providing high-performance, cost-effective virtual servers and GPUs for developers and businesses.

TensorWave provides AMD-powered AI infrastructure and cloud GPU clusters for large-scale training and inference workloads.

Dash0 is building the first AI-native observability platform powered by Agent0, an SRE AI agent that helps developers and operators quickly identify and fix application and infrastructure issues, processing millions of data points with OpenTelemetry-native architecture.

n8n is a fair-code workflow automation platform that enables technical teams to build complex automations with the flexibility of code and the speed of no-code, supporting 400+ integrations and self-hosted or cloud deployment.

Reducto provides a high-quality AI document ingestion and parsing API for large language models. The Y Combinator-backed company processes nearly a billion pages monthly for leading AI teams like Harvey and Scale AI.

Sentry is an application monitoring platform that helps developers diagnose, fix, and optimize the performance of their code. It provides error tracking, performance monitoring, and session replay across 100+ languages and frameworks.

Autonomous enterprise software development platform that deploys thousands of AI agents in parallel to compress months of engineering work into days.

Emergent is an AI app-building platform focused on no-code and agent-assisted product creation, helping users rapidly build real applications with AI.

Snorkel AI provides a data-centric AI platform for building specialized AI systems, helping enterprises and frontier teams create, curate, evaluate, and govern expert data for production models and agents.

Scribe helps teams automatically create step-by-step guides and process documentation from real workflows, speeding up training and knowledge sharing.

Encord is a data development platform for AI that helps teams curate, manage, and label training data at scale. The company serves 300+ AI teams including Toyota and Skydio, processing over 5PB of data.

Runway is an applied AI research company and pioneer of generative media tools, building AI-powered software for video, image, and multimedia content generation. Best known for text-to-video and image-to-video models used by filmmakers and content creators.

Vapi is building the leading developer platform for conversational voice AI agents, abstracting away the complexity of building these agents and managing real-time infrastructure to enable enterprise-ready voice AI solutions across finance, healthcare, travel, and other industries.

AI voice platform enabling businesses to build and deploy AI-powered voice agents for phone operations, contact centers, and customer service. API-driven solution with natural, low-latency conversations and multilingual support.

AfterQuery is a San Francisco-based applied research lab that builds expert-curated AI training datasets and model evaluation suites for frontier AI labs. It leverages a network of nearly 100,000 domain experts (developers, attorneys, and other professionals) to generate high-quality data, evals, and dev environments. The company reached over $100M ARR within roughly 14 months of founding.

Digital engineering platform focused on digital twins and secure collaboration for modeling and simulation of complex systems.

Render provides cloud infrastructure for developers to deploy, run, and scale applications, databases, static sites, and AI workloads.

Tailscale builds identity-first networking software on WireGuard so teams can securely connect users, devices, services, and AI systems across private infrastructure without VPN complexity.

Cartesia builds real-time voice and multimodal AI models with low-latency inference for production applications. Its platform combines foundational model research with developer APIs for voice agents, audio generation, and on-device intelligence.

Provides unified SDK and tools for connecting AI agents to SaaS APIs and secure credentials.

Fastest generative media platform for developers providing access to 1,000+ production-ready AI models for image, video, audio, and 3D generation through a unified API and serverless GPU infrastructure.

Hex is a collaborative analytics workspace that combines notebooks, SQL, data apps, and AI-assisted workflows for data teams.

LiveKit is an open-source infrastructure platform for building realtime voice, video, and AI agent applications. Their platform powers products like OpenAI's ChatGPT Voice Mode, serving over 200,000 developers with billions of calls per year.

Voltai builds foundation models and AI agents for the semiconductor and electronics industry, aiming to let AI reason about and design physical hardware. Its systems run large-scale simulation to assist with chip design, verification, and EDA workflows for semiconductor, consumer electronics, and automotive customers. Founded by former Stanford professors and SAIL researchers alongside ex-CTOs from Synopsys and GlobalFoundries, the company is based in Palo Alto, CA.

Application security and software supply chain security platform for modern DevSecOps.

Arize AI provides an AI engineering platform for observability and evaluation of LLM apps, AI agents, and RAG systems. It lets teams trace, debug, evaluate, and monitor AI systems in development and production, and covers traditional ML models on the same platform. It also maintains Phoenix, its open-source tracing and evaluation tool.

WorkOS is a developer platform that provides APIs for quickly adding enterprise-grade features like Single Sign-On (SSO), Directory Sync (SCIM), Audit Logs, and User Management to applications. Often described as 'Stripe for enterprise features,' WorkOS powers authentication and identity for the fastest-growing AI companies including OpenAI, Anthropic, and Cursor.

A web-based platform that provides mobile game developers with integrated commerce, live operations automation, and payment solutions.

Serverless cloud platform for developing, deploying, and scaling AI applications. Developers can run any code in the cloud without managing infrastructure, with built-in support for GPU workloads and batch jobs.

Sanity builds a content operating system and structured content platform for developers and enterprise teams, with APIs, workflows, and AI-native content operations.

Goodfire is an AI interpretability research company focused on understanding and designing AI systems through its flagship platform Ember, which decodes the neurons inside AI models to give direct, programmable access to their internal thoughts and decision-making processes.

Turing provides an AI-native platform for software engineering and model-development execution, combining vetted talent networks with enterprise delivery workflows.

Prime Intellect is an AI infrastructure company that enables training and deploying frontier AI models across decentralized, globally distributed compute resources, commoditizing both compute and intelligence for researchers and organizations.

Retool builds an enterprise application platform for creating internal tools, workflows, and AI agents on top of existing databases, APIs, and business systems.

Nexthop AI builds networking systems for AI-scale data centers, focusing on high-performance switching infrastructure for hyperscale and cloud environments.

Alice & Bob is a Paris-based quantum computing startup building the first universal, fault-tolerant quantum computer using cat qubits with built-in error correction. The company has developed a roadmap to 100 logical qubits by 2030.

Anaconda provides the world's most popular open-source Python and R distribution for data science and AI development. Serving over 45 million users, its platform enables enterprises to manage packages, environments, and AI workflows at scale with security and governance controls.

Linear builds issue tracking, product planning, and software delivery software for engineering and product teams, with AI-assisted workflows for roadmaps, cycles, and bug triage.

Normal builds AI systems and thermodynamic computing hardware to accelerate semiconductor design and improve energy efficiency in compute. The company works with large chip and manufacturing partners while developing its own next-generation computing architecture.

OpenRouter provides developers with seamless access to 500+ AI models through a single unified API, eliminating the need to rewrite code or renegotiate contracts for LLM integration.

Developer-first software supply chain security platform that detects malicious packages, vulnerable dependencies, and risky open source behavior before code reaches production.

Fingerprint provides device intelligence APIs that help teams recognize returning visitors, prevent fraud, secure accounts, and reduce abuse across web and mobile products.

Firecrawl is a web data infrastructure platform that converts websites into clean, structured data optimized for AI applications through a simple API, turning entire websites into LLM-ready markdown or structured data.

Menlo Research is a Physical AI research lab that began with Jan, an open-source, privacy-first AI assistant that has surpassed 6 million downloads, and is now building robots and models to solve real-world physical tasks. The ~25-person team is distributed across Singapore, Vietnam, and the US. It is community-built with no disclosed institutional funding rounds.

Managed workflow orchestration platform built by the original creators of Netflix Conductor for building reliable distributed applications and AI agents at scale.

Roboflow provides end-to-end computer vision tools that enable developers and enterprises to build, deploy, and manage vision AI models. The platform supports the full lifecycle from data labeling and model training to inference deployment, serving over 250,000 developers and powering applications across industries including manufacturing, retail, and agriculture.

Braintrust builds evaluation and observability infrastructure for AI applications, enabling teams to test prompts, monitor quality, and ship LLM features with higher reliability.

Efficient Computer builds the world's most energy-efficient general-purpose processor, the Electron E1, offering up to 100x greater efficiency than traditional CPUs. Spun out of Carnegie Mellon University, their Fabric architecture minimizes data movement, enabling applications in AI, edge computing, space, defense, and consumer devices.

Intelligent documentation platform serving 100M+ developers annually, powering docs for 18,000+ companies including Anthropic, Cursor, PayPal, and Coinbase with AI-enhanced documentation tools.

Builds open-source frontier AI infrastructure including SGLang, the fastest LLM inference engine, and large-scale RL training frameworks.

Story provides AI-native blockchain infrastructure for registering, licensing, and monetizing intellectual property across the internet.

Inception (Inception Labs) is a Palo Alto-based AI research company building diffusion large language models (dLLMs) that generate text and code in parallel, delivering up to 10x faster inference and lower cost than traditional autoregressive LLMs. Its Mercury model family targets latency-sensitive, real-time applications. Founded in 2024 by Stanford professor Stefano Ermon with Aditya Grover and Volodymyr Kuleshov.

LMArena develops and operates large-model evaluation infrastructure, including comparative benchmarks and community-driven testing workflows for frontier LLMs.

Meshy builds generative AI tools for creating production-ready 3D models and textures from text or images for game, XR, and creative workflows.

Qdrant develops an open source vector database for semantic search and retrieval workloads in production AI systems.

Intelligent terminal for developers with AI-powered features, built with Rust to supercharge developer productivity through Agent Mode for seamless code generation, editing, and task management.

AssemblyAI develops speech AI APIs and voice models for transcription, speech understanding, and developer workflows that turn audio into structured application data.

Parallel builds web infrastructure for AI agents, providing APIs and tooling that let models search, browse, and interact with the live web more reliably.

AI-powered voice dictation software for seamless text creation enabling natural speech-to-text conversion with high accuracy

Company behind Astro, a managed Apache Airflow DataOps platform for data & AI pipelines.

Column is a nationally chartered bank building developer-first banking infrastructure. It offers APIs and software for payments, ledgers, compliance, and bank programs so fintech companies can build on regulated banking rails.

SigNoz is an open-source, OpenTelemetry-native observability platform that unifies metrics, traces, and logs in a single tool, positioned as a self-hostable alternative to Datadog. It offers both self-hosted and cloud options and is used by 700+ customers with 26,000+ GitHub stars. Founded in 2020 by Pranay Prateek and Ankit Nayan, the company was part of Y Combinator and operates primarily out of India with a US entity.

Blacksmith accelerates GitHub Actions by running CI/CD workflows 2x faster at half the cost using high-performance gaming CPUs optimized for continuous integration.

AI-powered code review platform that provides complete codebase context to help development teams automate pull request reviews, bug diagnostics, and enhance development workflows with intelligent code understanding.

Foundation model company building efficient general-purpose AI systems and Liquid Foundation Models for edge and resource-constrained environments.

Nace AI builds MetaModel, an AI system that dynamically generates small, task-specific language models for enterprises using a Hypernet architecture to inject task-specific weights in real-time without retraining. Their first product NAVI applies this technology to audit, compliance, and finance workflows.

Poolside builds open-weight foundation models purpose-built for software engineering, including its Laguna series of agentic coding models for reasoning, code generation and execution. Founded in 2023 by former GitHub CTO Jason Warner and Eiso Kant, it sells AI coding systems to enterprises and government customers, with partnerships including AWS and U.S. Department of Defense entities. The team is ~150 people worldwide and hires almost entirely remotely across the US and EMEA.

Runware provides a unified AI API platform that aggregates 300+ model classes and hundreds of thousands of AI model variants behind a single consistent schema, delivering up to 10x better price and performance for generative AI applications.

Enterprise-grade platform running powerful AI on local devices without cloud dependency, enabling companies to work with sophisticated AI models while keeping sensitive data in place.

Databento is a market data platform that delivers real-time and historical data on futures, options, and equities through a single API, positioning itself as a developer-first, usage-based alternative to legacy providers like Bloomberg and LSEG. Founded in 2019 by former quant trader Christina Qi, it lets trading firms, funds, and fintechs access normalized institutional-grade market data without long-term contracts.

Open-access AI cloud providing fast, affordable GPU compute, serverless inference, and dedicated hosting through a decentralized marketplace, helping developers reduce AI infrastructure costs by 50-75%.

Sent provides a unified messaging API for SMS, WhatsApp, RCS, and other channels, handling routing, compliance, templates, delivery tracking, and fallback logic for developers building communication workflows.

Tavus is the human computing company building emotionally intelligent AI humans (PALs - Personal Affective Links) that communicate through text, voice, and face-to-face video with agentic capabilities and real-time perception. Powered by proprietary models including Phoenix-4, Sparrow-1, and Raven-1, Tavus enables AI agents that can see, hear, understand emotions, and act autonomously. Over 100,000 developers and enterprises use Tavus technology for recruiting, sales, education, and customer service.

Ahrefs is an SEO and digital marketing toolset that helps businesses grow their search traffic and optimize online visibility. It offers tools for backlink analysis, keyword research, site auditing, rank tracking, and content exploration.

Architect Labs builds AI systems that design and formally verify custom silicon, turning demanding workloads into purpose-built chips and full-stack hardware solutions. It partners with enterprises, AI labs, and governments to dramatically accelerate custom chip development timelines. Founded by Ebrahim Hussain and Aaditya Subedi (incorporated as Architect Silicon Inc.), it emerged from stealth in June 2026 with a $24M seed round led by Kindred Ventures.

LlamaIndex is a data framework for LLM applications that enables developers to connect, index, and query custom data sources with large language models through their open-source library and LlamaCloud platform.

Mirendil is a San Francisco frontier AI research lab building 'AI that builds AI' — training frontier models that are expert at AI R&D and wrapping them in a product that autonomously runs research, experimentation, and optimization on its own GPUs. Founded by former Anthropic researchers, it aims to move frontier AI work outside the big labs and shorten AI R&D cycles.

Frontier AI research lab building next-generation AI models for semiconductor design. Develops recursive self-improvement cycle where AI designs silicon that powers the next generation of AI. Founded by AlphaChip creators from Google DeepMind.

Chalk builds a real-time inference data platform that gives ML and AI teams low-latency feature computation, retrieval, and production orchestration for online decisioning workloads.

AI platform for autonomous IT request resolution connecting to business apps to process requests directly and elevate exceptions to humans

Merge provides a Unified API platform that lets B2B companies add hundreds of integrations to their products through a single integration. Covering HRIS, accounting, CRM, ATS, and file storage, Merge powers integrations for over 3,000 companies including Ramp, Drata, and AngelList.

AI-first protein design company using deep generative models to create novel, functional proteins for applications in biomedicine, agriculture, and gene editing.

River AI is a Palo Alto–based AI startup founded by former xAI co-founder Igor Babuschkin, building a full-stack platform for custom, open-weight model development. Its API lets developers fine-tune open models with reinforcement learning and LoRA, completing complex RL training runs in 15–20 minutes without dedicated infrastructure. The company positions itself as an alternative to prompt engineering against closed-source incumbents.

Stedi is the only programmable, API-first healthcare clearinghouse, replacing legacy batch-and-portal clearinghouses with a modern cloud-native platform. It processes over 1 billion healthcare transactions per year.

Bespoke Labs is an applied AI company that builds the reinforcement learning environments, data curation systems, and infrastructure used to train, evaluate, and post-train reliable long-horizon AI agents for frontier labs and enterprises. It is known for open-source tooling like Bespoke Curator and open datasets. Founded in 2024 by Mahesh Sathiamoorthy and Alex Dimakis, it is headquartered in Mountain View, California.

Convex is a backend-as-a-service platform for modern web applications, combining reactive databases, server functions, and auth-ready infrastructure.

DatologyAI builds automated data curation tooling that selects, filters, and optimizes the training data used to build AI models. Its platform aims to cut training compute and cost while improving model quality by feeding models better data rather than more data. Founded in 2023 by ex-Meta AI/DeepMind researcher Ari Morcos with Bogdan Gaza and Matthew Leavitt, it is based in Redwood City, CA.

Faros AI is a San Francisco Bay Area company operating an AI-native engineering intelligence platform for the full software development lifecycle. It connects data from source control, CI/CD, ticketing, incident, and AI coding tools into a single model of engineering activity. Engineering leaders use it to measure developer productivity, delivery outcomes, and AI-tool ROI.

Finix is a full-stack payment processor and payments infrastructure platform that helps software platforms, marketplaces, and businesses accept payments, send payouts, manage risk, and build embedded payment experiences.

Method provides API infrastructure for consumer liability account connectivity, real-time debt data, and embedded repayment experiences across lending and fintech products.

Moderne provides a platform for mass-scale automated code refactoring and modernization, built on the open-source OpenRewrite project. The platform enables enterprises to automatically remediate technical debt, apply security fixes, and perform framework migrations at scale.

Oxide Computer Company builds rack-scale cloud computing infrastructure for enterprises that need the agility of public cloud with the control and security of on-premises hardware. Their integrated hardware-software platform delivers a complete cloud experience in a single rack unit.

PlanetScale is a managed database platform built on Vitess that helps developers ship MySQL workloads with branching, non-blocking schema changes, and global scale.

Taste Labs is building the data and infrastructure layer that gives AI models and agents "taste" — the ability to judge subjective quality rather than just correctness, starting with design. It supplies frontier labs with post-training preference data, rubrics and RL/eval environments, and gives application teams context and verification tools so agent output is more on-brand and creative. The company emerged from stealth in June 2026 with an $18.5M seed co-led by CRV and Amplify Partners.

TinyFish provides enterprise web agents that automate complex web-based workflows and extract structured data from websites at scale. The platform enables Fortune 500 companies like Google and DoorDash to automate web interactions, streamline data collection, and integrate web automation into their business processes.

WorkWeave (also branded 'Weave') is an AI-powered engineering analytics platform that quantifies software engineering output by analyzing every pull request and developer activity to measure real work and the impact of AI coding tools. It gives engineering leaders visibility into team performance and AI investment ROI. Founded by the ex-Causal team and backed by Y Combinator (W25), it serves 150+ customers including Rho, 11x, and Browserbase.

Basis Research Institute is a nonprofit applied AI research organization building a universal reasoning engine by establishing the mathematical principles of intelligence. The organization focuses on probabilistic programming, causal reasoning, and program synthesis to solve intractable scientific and societal problems at unprecedented scale.

David AI is the world's first dedicated audio data research lab, building the data layer for next-generation audio AI. Founded by former Scale AI engineers, serving most FAANG companies and major AI labs.

Daytona provides secure, elastic sandbox infrastructure for running AI-generated code and agent workflows, giving developers and AI agents isolated, programmable environments with fast startup and persistent state.

Open-source cloud infrastructure providing secure sandboxed environments for AI agents to run code and complete complex tasks, trusted by 88% of Fortune 100 companies.

GMI Cloud is an AI-native GPU cloud platform offering serverless inference and dedicated NVIDIA GPU clusters (H100, H200, and Blackwell) for training and running production AI workloads. Founded in 2022 and headquartered in San Jose, CA, the company serves startups and enterprises seeking scalable GPU infrastructure as an NVIDIA Preferred Partner.

Gumloop is a no-code AI automation platform that enables users to build and deploy AI-powered business workflows through drag-and-drop modular components.

Data platform for creating and managing training data for machine learning applications.

Positron develops AI inference hardware and systems designed to deliver lower-cost, lower-power deployment for large language models and other modern AI workloads.

Resend provides an email API and deliverability platform built for developers to send and manage transactional and marketing email.

Semgrep is a fast and lightweight static analysis tool and application security platform for finding security vulnerabilities in source code. It enables developer-first security workflows with high accuracy and minimal friction, serving companies like Figma, Dropbox, and Snowflake.

StackBlitz is the creator of Bolt, an AI-powered full-stack web development platform that enables users to build, run, and deploy applications entirely in the browser. Leveraging WebContainers technology that runs Node.js natively in the browser.

AI-powered design collaboration platform for industrial and product designers, enabling rapid concept sketching, rendering, and 3D visualization from rough sketches.

Networking software for AI/HPC workloads to improve reliability and throughput.

Comfy develops ComfyUI, an open-source node-based platform for generative AI that enables creators to build visual AI workflows, used by over 1 million creators at companies like Netflix, Amazon Studios, and Tencent.

Enode provides an API that connects energy devices like EV chargers, batteries, and solar systems for energy apps.

Autonomous website platform that uses AI to automatically build, rewrite, A/B test, and optimize landing pages based on visitor behavior and market changes. Enables growth teams to scale web presence with automated marketing research, comparison pages, personalization, and achieves 50% higher Google Ads conversion rates for AI companies like Cognition and Modal.

Patronus AI builds evaluation and reliability tooling for enterprise AI systems, helping teams test, monitor, and improve LLM behavior in production.

PostHog is an open-source product analytics platform providing analytics, session recording, feature flags, A/B testing, and surveys in a single platform for developer teams building successful products.

Code intelligence platform that helps developers search, understand, and fix code.

World Labs is advancing spatial intelligence by building foundational AI models that can perceive, generate, and interact with 3D worlds. Founded by AI pioneer Fei-Fei Li, the company's flagship product Marble generates and edits persistent 3D environments from text, images, video, or 3D layouts. Backed by Andreessen Horowitz, Nvidia, AMD, and Autodesk, World Labs has raised over $1.2 billion to bring world models into creative and industrial workflows.

AI research company building adaptive models that learn continuously without expensive retraining, using less computing power than leading AI models, founded by former Cohere VP of Research Sara Hooker

Onchain governance infrastructure platform providing protocols and tools for DAOs and blockchain projects to manage voting, delegation, and community decision-making.

Coval is a platform for evaluating AI voice and chat agents by running simulated interactions, adapting testing techniques from self-driving cars to AI systems.

CrewAI builds a multi-agent platform and open-source framework for orchestrating collaborative AI agent workflows in production applications.

Ditto builds an edge synchronization platform and mobile database that keeps apps in sync even when devices are offline or intermittently connected.

Extropic is building thermodynamic computing hardware and software for radically more energy-efficient AI workloads. The company combines physics, chip design, and systems engineering to develop new compute architectures for next-generation intelligence.

Workload as a Service platform delivering intelligent orchestration for AI workloads, eliminating inefficiencies by dynamically placing workloads on optimal compute

LayerZero is an omnichain interoperability protocol that enables seamless cross-chain messaging and asset transfers across 50+ blockchains. It allows developers to build decentralized applications that operate natively across multiple networks.

Open-source AI company building tools to structure, understand, and collaborate with unstructured data including GPT4ALL, Atlas visualization platform, and Nomic Embed text embeddings.

Noon is an AI-native product design platform that unifies design and code on a single canvas, letting product teams design directly on top of their own production components and design systems. It aims to eliminate the handoff gap between designers and engineers by generating real code instead of static design files. Headquartered in San Francisco with an engineering team in Bengaluru.

Ollama is an open model platform that lets developers download, run, and manage large language models locally on their own machines or servers via CLI, API, and cloud scaling, used to build chatbots, coding assistants, and AI agents. It is the largest developer network in the open model ecosystem, with roughly 8.9M monthly active developers and 67,000+ community-built integrations, and is used within 85% of the Fortune 500. Founded in 2023 by Jeffrey Morgan and Michael Chiang.

Quadrillion Labs builds Qualia, an agentic research intelligence platform that runs real computational research — generating, executing, and analyzing experiments inside notebook-based research workspaces. It acts as both a copilot and an autonomous research assistant for data scientists, quants, and technical research teams. The NYC-based team comes from Stanford NLP, HRT, Citadel, Jane Street, Google Research, and Harvard Med.

Software supply chain security platform delivering comprehensive vulnerability management with curated near-zero-CVE open-source images, automated CVE remediation, and container hardening capabilities. Simplifies FedRAMP compliance and accelerates DevSecOps workflows.

Consumer-permissioned data platform that provides API access to payroll, employment, and financial data for streamlined income and employment verification, asset verification, and direct deposit switching.

Viam is a software platform that makes the physical world programmable, enabling engineers to build, deploy, and manage robotics and IoT applications. Founded by MongoDB co-founder Eliot Horowitz, Viam powers AI and automation solutions across robotics, food and beverage, climate tech, marine, and industrial manufacturing.

Apex.AI builds safety-certified, developer-friendly software for autonomous and software-defined vehicles, including its Apex.Grace (formerly Apex.OS) middleware derived from the open-source ROS 2 framework. Its products power autonomous mobility and robotic systems for automotive, trucking, and agricultural-machinery OEMs. The company is headquartered in Palo Alto, California, with offices in Germany, Sweden, Japan, and South Korea.

Aqua Voice is an AI-powered voice input software that lets users write at 4x typing speed with sub-50ms startup and 3.2% word error rate. Works across any app including Cursor, Gmail, Slack, and terminal.

Physical AI company building Newton foundation model that fuses real-time multimodal sensor data with natural language to interpret and act on physical phenomena

Log monitoring and observability platform for developers providing comprehensive monitoring solutions with profitability achieved in 2023

Botpress is an AI agent infrastructure platform that gives developers the tooling to build, deploy, and scale production-ready AI agents. Founded in 2017 and headquartered in Montréal, the company raised a $25M Series B in June 2025 to expand its agent infrastructure stack.

Browserbase provides cloud-hosted browser infrastructure purpose-built for AI agents and web automation. The platform enables developers to host, manage, and monitor headless browsers at scale with features including proxies, stealth mode, session recording, and debugging tools, serving over 20,000 developers.

Cortex is an internal developer portal and Engineering Operations platform that helps organizations reduce developer tax and improve operational maturity. It provides engineering teams with a centralized catalog of services, scorecards for reliability standards, and automation to foster ownership.

Hugging Face is the leading open-source AI platform for building, training, and deploying machine learning models. It hosts hundreds of thousands of models and datasets, serving as the central hub for the AI developer community.

An all-in-one open source platform to securely manage application configuration and secrets like API keys and database credentials across teams and infrastructure.

AI-powered translation platform combining machine translation with human expertise for enterprise localization.

AI design tool helping teams prototype product ideas with AI-powered UI generation from concept to production

Meticulous is an AI-powered frontend testing platform that removes the need to write or maintain end-to-end UI tests. It records real user interactions in development and staging, then automatically generates and continuously updates an exhaustive visual regression test suite that runs on every pull request. London-based with a San Francisco presence, backed by Y Combinator, Chemistry, Menlo Ventures and Coatue.

Prefect builds workflow orchestration and AI infrastructure software that helps teams automate, observe, and manage data and application workflows.

Raindrop is an observability and monitoring platform for AI agents, often described as 'Sentry for AI products.' The platform helps engineering teams detect, track, and fix silent failures in AI agents running in production environments. Founded by Y Combinator alumni and backed by Lightspeed Venture Partners, Raindrop provides automated issue discovery, triage, and detailed failure explanations for AI systems.

Open-source multimodal data logging and visualization SDK for robotics and computer vision teams, enabling engineers to log, replay, and inspect spatial and temporal data.

Resolve AI builds an autonomous AI Production Engineer that investigates and fixes complex production system issues end-to-end. Founded by the core creators of OpenTelemetry and former leaders of Splunk Observability, the platform automates site reliability engineering tasks.

Sequen provides real-time search, ranking, recommendation, and personalization infrastructure for consumer-internet and e-commerce companies. Its platform uses Large Event Models (LEMs) to dynamically re-rank content and products in under 50ms based on live in-session behavior (clicks, scrolls, views) rather than only historical profiles. Founded by ex-Etsy ranking lead Zoë Weil, it processes billions of monthly requests for Fortune 500 customers.

Vals AI builds independent evaluation and benchmarking tools for large language models, measuring real-world capabilities across domains like legal, financial, coding, and healthcare. Its platform helps enterprises and research labs compare model performance and validate AI behavior before production use.

Arcade AI is an MCP runtime platform that enables AI agents to take secure, authenticated actions across business systems. The platform provides agent-optimized tool calling, OAuth-based authorization, and governance infrastructure for production AI deployments.

Fully managed change data capture (CDC) streaming platform that replicates production databases into data warehouses and lakes in real time. Trusted by Substack, ClickUp, and Alloy, processing over 700 billion rows annually.

Chroma builds open-source data infrastructure for AI, giving developers an embeddings database and retrieval layer to add memory, search, and state to LLM applications.

Finch is a unified employment API platform that enables HR tech, fintech, and benefits companies to securely read and write data across 250+ HRIS and payroll systems through a single integration. Founded via Y Combinator in 2020.

Harmonic is a US-based AI research company building Mathematical Superintelligence (MSI) — reasoning models whose outputs are formally verified, eliminating hallucinations. Its flagship model, Aristotle, reached formally verified gold medal-level performance on the 2025 International Mathematical Olympiad and is offered as an autonomous mathematician agent and API for researchers and developers. Founded in 2023 by Tudor Achim (CEO) and Robinhood co-founder Vlad Tenev (Executive Chairman), it is headquartered in Palo Alto with a London presence.

Lithic is a modern card issuing platform for developers, enabling businesses to create, manage, and process virtual and physical payment cards via flexible APIs.

MotherDuck is a serverless cloud data warehouse built on the open-source DuckDB engine, enabling fast SQL analytics with no infrastructure to manage. The platform supports hybrid local-cloud execution, allowing analysts to query data seamlessly across laptop and cloud.

Neon is a modern direct-to-consumer payment platform built specifically for mobile games, helping game publishers build branded digital stores and bypass costly app store fees while providing players with personalized experiences and publishers with higher profit margins.

Pangram Labs builds AI-generated content detection systems for text and images, claiming over 99% accuracy on AI-assisted and mixed human-AI writing. Its products serve higher-education institutions, publishers, media integrity organizations and businesses, and it publishes research on state-of-the-art detection techniques. Founded by Stanford AI graduates Max Spero and Bradley Emi, the team works in person in Brooklyn, New York.

Pinecone is a fully managed vector database that makes it easy to add vector search to production applications, powering AI applications with fast and scalable similarity search at any scale.

Prismic is a headless CMS and page builder designed for modern web development, enabling marketing teams to create pages independently while developers maintain control using frameworks like Next.js, Nuxt, and SvelteKit.

Relace is a provider of auxiliary coding models for faster, more reliable AI code generation that makes it easy to deploy production-ready coding agents with models co-optimized with infrastructure to achieve state-of-the-art performance across million-line repositories.

Span is an AI-native engineering intelligence platform that plugs into a team's existing developer tools to unify metrics, surveys, and contextual data. It helps engineering leaders understand how teams spend their time and how AI coding tools are actually being used, with customers including Ramp and Vanta. Founded in 2023 and based in San Francisco, it raised $25M in combined seed and Series A funding in November 2025.

alphaXiv is an AI research platform that helps users understand academic papers in minutes by bringing together papers, benchmarks, and implementations in one place. The platform bridges the gap between AI research and practice, enabling engineers to quickly surface relevant papers, compare methods, and interact with implementations. Since launching in 2024, alphaXiv has reached millions of users across academia and industry.

Bluesky is a decentralized social network built on the AT Protocol, giving users control over their social graph and enabling an open, interoperable layer for social applications. Founded as a Public Benefit Corporation in 2021, it has grown to tens of millions of users as an open-protocol alternative to X, letting users choose their own algorithms, moderation tools, and data portability.

Echo is an AI-native software security company that builds CVE-free, vulnerability-free container base images as drop-in replacements for standard Docker images. Its AI agents strip open-source images of non-essential components to eliminate vulnerabilities at the source while preserving functionality. Founded in 2025 by ex-Argon founders Eilon Elhadad and Eylam Milner, it is headquartered in Tel Aviv with a New York office.

Crypto exchange infrastructure company behind Phoenix, a decentralized exchange on Solana.

GenPeach AI develops multimodal generative foundation models for human-centric image and video creation, powering digital humans, virtual influencers, and AI companions for creative industries. Founded in 2025 and based in Zurich, Switzerland (with team members in Warsaw), it is an early-stage startup backed by angels and founders from OpenAI, Meta AI, Google DeepMind, and Microsoft AI. Per PitchBook/Nordic9 it has raised roughly $1.5M in pre-seed funding.

Gradium is a Paris-based AI company building ultra-low latency voice foundation models that enable near-instant, expressive, and multilingual voice AI at scale. Spun out of French AI lab Kyutai, the company was founded by former Google DeepMind researchers who pioneered key advances in audio language modeling. Backed by a $70 million seed round from FirstMark Capital, Eurazeo, Eric Schmidt, and Xavier Niel, Gradium aims to make voice the universal interface for AI.

Hume AI develops empathic AI models and APIs for voice, speech, and expression understanding, including the Empathic Voice Interface for real-time emotionally intelligent conversations.

Intelligence is a San Francisco product lab building large-scale evaluation platforms for frontier AI models, best known for Design Arena — a crowdsourced human-preference arena that ranks models on design, web dev, game dev, image, video, audio and slide generation. It reports 5.3M+ users in its first eight months and works directly with labs including OpenAI, Google DeepMind, Meta, xAI and Mistral to benchmark state-of-the-art multimodal models. The company raised a $7.9M seed led by Index Ventures in August 2026.

Self-healing software platform that automates bug detection, diagnosis, and resolution, enabling applications to fix user experience issues before humans intervene. Backed by Y Combinator (S25), Vercel, and Designer Fund.

Browser infrastructure platform for AI agents with sub-150ms cold starts, built-in stealth mode, automatic CAPTCHA solving, and persistent sessions for web automations.

LM Studio is a desktop application and developer toolkit built by Element Labs Inc. that lets users discover, download, and run large language models locally and privately on their own hardware. It provides an OpenAI-compatible local API server and supports Windows, macOS, and Linux. Founded in 2022 by Yagil Burowski and headquartered in Brooklyn, New York.

Pulumi builds an infrastructure as code platform that lets engineers define and manage cloud infrastructure using general-purpose programming languages such as TypeScript, Python, Go, C#, and Java instead of bespoke DSLs. Its open-source engine is paired with Pulumi Cloud, a managed service for state, secrets, policy, and team collaboration across AWS, Azure, Google Cloud, and Kubernetes. The company is remote-first, headquartered in Seattle, and hires through Greenhouse.

Sim is an open-source platform for building, shipping, and scaling agentic AI workflows, often described as "Figma for AI agents" for its visual drag-and-drop canvas. It combines a workflow editor with knowledge bases, structured data tables, file storage, and execution logging so developers can go from a single agent to complex multi-agent systems in production. Founded in early 2025 in San Francisco, it reports 60,000+ developers and 100+ companies running workflows on the platform.

AI-native agentic process automation platform that automates data entry, scraping, and processing flows using LLMs and computer vision for enterprise workflows.

Speakeasy is a complete API development platform that polishes OpenAPI, generates production-ready SDKs and Terraform providers, and builds MCP servers from OpenAPI documents with extensive customization options to connect LLMs to data wherever it lives.

Digital trust infrastructure enabling governments and enterprises to issue, verify, and manage digital identity credentials using open-source decentralized identity toolkits.

StackOne provides a unified API platform for product teams to ship customer-facing integrations quickly across SaaS systems.

Turnkey provides secure, scalable, and programmable crypto wallet infrastructure for embedded wallets and onchain transaction automation. Built by the team that scaled Coinbase Custody past $100B in assets, it powers 50M+ embedded wallets.

Vantage provides cloud cost observability and optimization software for engineering and finance teams managing multi-cloud spend.

Anything (formerly Create.xyz) is an AI-powered app builder that transforms natural language prompts into fully functional mobile and web applications with backend infrastructure, authentication, databases and payment integrations.

Bonfire Studios is an independent video game studio in Irvine, California developing Arkheron, a team-based PvP game. Founded by veteran game developers, the studio focuses on creating multiplayer worlds and live game experiences with a hybrid, craft-oriented development culture.

Boson AI builds proprietary multimodal foundation models for voice and audio (Higgs) and Feynman Flow, an agentic platform that turns model capability into deployed intelligence. Founded in 2023 by former AWS AI leaders Alex Smola and Mu Li, the company focuses on audio/voice understanding, generation, and real-time interaction. The team of 30+ researchers and engineers operates across Santa Clara and Toronto.

Checkly offers application monitoring powered by Playwright and OpenTelemetry so teams can test and monitor apps, APIs, and services as code.

Credal provides a secure AI agent platform for enterprises, enabling teams to build AI agents and MCP-connected workflows across internal data sources with governance controls.

Builds encryption infrastructure for developers, including tokenization and PCI compliance tools for payments and sensitive data.

Langbase is a serverless AI developer platform for building, deploying, and scaling AI agents. It processes 700TB+ of vector memory and billions of AI agent runs monthly, serving 100,000+ developers with support for 600+ LLMs.

Lightdash is an open-source BI platform built on dbt that enables self-serve analytics and metrics for modern data teams.

Magic is an AI coding agent company building autonomous software engineers capable of handling complex, long-horizon coding tasks. Its system combines frontier LLMs with proprietary long-context retrieval and tool-use to write, test, and deploy production-ready code.

Medusa builds open-source commerce infrastructure and modular APIs that let developers compose storefronts, carts, checkouts, and backend workflows without adopting a monolithic commerce stack.

Mem0 is a universal, self-improving memory layer for LLM applications that enables them to remember and learn from user interactions over time, powering personalized AI experiences with over 41,000 GitHub stars and 14 million Python package downloads.

Unified ingress platform providing developers with secure tunnels, reverse proxy, API gateway, and global load balancing used by over 7 million developers worldwide.

Open-source, identity-aware access proxy providing zero-trust secure access to internal applications without requiring a VPN, continuously verifying user identity and device context.

Quilter uses physics-driven AI to fully automate PCB layout design, converting schematics into fabrication-ready boards in hours rather than weeks. Integrates with Altium, Cadence, and Siemens.

Railway offers a cloud deployment platform that helps engineering teams ship and operate applications and databases with minimal infrastructure overhead.

Spiral is a data infrastructure company that provides a multimodal data platform for AI, unifying governance and exposing a single API for every data modality including video, audio, geospatial, and text, engineered for machine-scale throughput to keep GPUs fully saturated.

Unit provides embeddable banking and lending products that enable software platforms to integrate financial services—including accounts, money movement, card issuing, and capital products—directly into their products. Processes over $80B in annual transactions.

Variant is a creative intelligence platform that brings taste to code generation, allowing users to generate endless design variations for apps and websites from a single idea. Backed by Y Combinator (F24), the tool combines AI-powered design sensibility with code generation to help developers build better software through visual exploration.

Vectara provides a retrieval-augmented generation platform with enterprise search, grounded generation, and evaluation tooling to help teams build production-grade generative AI assistants.

Wonder is the first AI-native design tool built on an infinite canvas that understands your components and design patterns, automatically suggesting the right elements to keep work consistent while accelerating creative exploration. The platform enables designers to explore layouts, UX flows, and build design systems with AI-powered assistance.

dottxt builds structured generation tooling for production LLM applications, helping developers force reliable outputs that plug into existing software systems.

Alpen Labs builds Bitcoin infrastructure and cryptography tooling, using zero-knowledge proofs to deliver a modular rollup that makes Bitcoin scalable, private, and programmable. The remote-first team of cryptographers and engineers (ex-Blockstream, Palantir, Nethermind) is building financial rails on Bitcoin, including lending and BTC yield products. Founded in 2022, it has raised $19.1M across a seed round led by Ribbit Capital and a January 2025 strategic round led by DBA and Cyber Fund.

A web3 gaming infrastructure platform providing wallet-as-a-service and payment rails for games.

Browser Use is an open-source framework that enables AI agents to autonomously navigate and interact with websites like a human user. Built by ETH Zurich alumni, the project has amassed over 80,000 GitHub stars and powers agentic AI platforms.

Camfer is building an AI mechanical engineer that works on top of industry-standard CAD platforms such as SolidWorks and Onshape. Its product converts natural-language prompts or images into design artifacts — sketches, features, and assemblies — directly inside existing CAD workspaces. The Y Combinator-backed company targets hardware engineering and physical product workflows.

Conductor is a developer-tools startup that lets engineers run a team of AI coding agents (Claude Code, Codex, Cursor) in parallel, isolated workspaces on their Mac, then review and merge the agents' work. Launched in 2025, it is used by engineers at companies like Linear, Vercel, Notion, and Stripe. It raised a $22M Series A led by Matrix and Spark in March 2026.

YC W24 AI platform that translates codebases into structured documentation, architecture maps, and history guides, compressing technical discovery from months to days.

Flox builds reproducible development environments for enterprise software teams, built on Nix with Nix knowledge optional. Its platform delivers cryptographically pinned environments that stay identical from a developer's laptop through CI to production, eliminating environment drift and strengthening software supply chain security. A spinout of the D. E. Shaw group, Flox offers both an open-source platform and enterprise SaaS.

Imbue (formerly Generally Intelligent) is an AI research lab building agents that can robustly reason and code. The team trains foundation models optimized for reasoning and ships applied tools (Sculptor, Bouncer) that let anyone build and control custom AI agents. The company has raised over $200M to support its long-term mission.

Inference provides a distributed, serverless platform that lets developers run open-source AI models without managing infrastructure. The company aggregates underutilized data center capacity to offer cost-effective LLM inference via a simple API.

Nile is a Postgres backend for modern B2B SaaS applications, bundling multi-tenant primitives like auth, authorization, and tenant-aware data infrastructure.

Playbook is a creative file manager designed specifically for designers, serving as a beautifully organized cloud storage and sharing platform. The platform uses image tagging technology to transform files into expressive Pinterest-style galleries, making it easy for designers to store, organize, and share their creative work.

Plural provides a Kubernetes management platform for deploying, operating, and governing fleets across cloud environments.

Pythagora builds an AI software development platform that helps teams generate, test, and ship applications faster, building on its open-source GPT Pilot project.

Universal API for real-time meeting data, providing developers with recordings, transcripts, and metadata from Zoom, Google Meet, Microsoft Teams, and other video conferencing platforms. Powers over 300 enterprise clients including Instacart and Sybill.

Contextual AI platform for life sciences and healthcare, providing a visual development environment for building enterprise AI applications across drug discovery, clinical development, and healthcare operations.

Tenzai is an AI-native cybersecurity company building autonomous pentesting and offensive security agents to continuously find and help fix software vulnerabilities.

Infinite canvas SDK for React enabling developers to build web-based whiteboards and collaborative visual experiences, powering products like ClickUp Whiteboards and Padlet Sandboxes.

Trajectory is a San Francisco research and product lab building a platform for continual learning, letting AI products keep post-training on real production signals (user edits, corrections, retries, rejections) instead of freezing after deployment. Its SDK and dashboards instrument live AI behavior, steer model optimization, and ship improvements continuously. Customers include Clay, Harvey, Decagon, Mercor, Mistral, and Rogo.

Union.ai provides production infrastructure for AI and ML workflows on top of Flyte, helping engineering teams orchestrate, deploy, and operate reliable model and data pipelines.

Zo Computer is building a new category of personal computing — an intelligent cloud computer powered by AI. The platform enables users to build powerful personal software, automate tasks, and manage their digital lives through a private cloud infrastructure. Founded by former Venmo, Substack, and Stripe engineers, Zo makes personal cloud computing accessible to everyone.

Zoo builds AI-native CAD infrastructure for hardware engineers, offering a browser-based design studio, programmable geometry tooling, and agentic workflows for creating manufacturing-ready 3D models.

8090 (8090 Solutions Inc) builds the 8090 Software Factory, an AI-native platform where coordinated AI agents and human reviewers plan, build, test, and ship enterprise software under governed oversight. Co-founded and led as CEO by Chamath Palihapitiya, it also runs an enterprise delivery business serving healthcare, insurance, life sciences, financial services, manufacturing, and government. It is headquartered in Redwood City, CA with an additional office in Toronto.

Arcol is a cloud-native, browser-based BIM platform for architects, often described as Figma for BIM. It enables real-time 3D collaborative building design with construction intelligence at its core.

Augment Code is an AI coding assistant built for professional software engineers, offering deep codebase understanding through long-context retrieval and enterprise-grade security. It integrates with existing development workflows to accelerate code generation, review, and refactoring at scale.

bem provides a production layer for unstructured data, turning documents, audio, images, and other messy inputs into deterministic, schema-enforced outputs for operational workflows.

Cake provides enterprise AI infrastructure for highly regulated industries, helping teams deploy compliant, governed AI workloads with managed open-source components.

Open-source AI coding agent that runs in your IDE to plan, write, and edit code with your project context.

A company building quantum computers on silicon chips using AI software to create qubits 1000x faster than current manual methods.

Developer of EigenLayer restaking and the EigenCloud/EigenDA stack, enabling Ethereum stakers and operators to secure new decentralized services (AVSs).

AI-powered technical design workspace for diagrams, docs, and visual architecture that helps engineering teams communicate systems clearly.

Open-source financial infrastructure platform that provides programmable ledgers, payment connectivity, orchestration tools, and reconciliation services for building modern financial applications, trusted by companies like Booksy, Doctolib, Liberis, and Shares.

No-code website design and publishing platform based in Amsterdam serving over 500K monthly active users, reaching $50M ARR in 2025 and operating profitably.

Decentralized protocol that executes and verifies machine learning workloads across any device, unifying global compute into a single open network.

HoneyHive provides observability, evaluation, and monitoring tools for teams building production AI agents.

Inkeep provides a platform for customer-facing AI agents and automations, combining no-code builders with developer SDKs for support, product, GTM, and operations teams.

Embedded accounting platform for SMB software companies, allowing platforms to offer complete accounting and AI-powered bookkeeping services directly within their products, fully replacing external tools like QuickBooks. Supports 30,000+ SMBs through platform customers including Moxie, Nav, Dripos, and Carry with 25%+ adoption rates.

Global payments infrastructure company building on Bitcoin and the Lightning Network, enabling instant low-cost money movement worldwide through APIs and SDKs for fiat, stablecoin, and bitcoin transfers.

Loops is an email platform for SaaS companies with a block-based editor, transactional messaging, and automation workflows for product and lifecycle communication.

Embedded analytics platform enabling SaaS companies to build and deploy customer-facing dashboards directly into their products with drag-and-drop interfaces and code-based SDKs.

Mastra is an open-source TypeScript framework for building AI agents and applications, created by the team behind Gatsby. It provides modular tools for agent orchestration, tool calling, and workflow automation.

Mechanical Orchard uses AI to modernize legacy enterprise software and mainframe systems, helping large organizations transform older codebases while preserving critical business logic. Its product, Imogen, captures actual system behavior to guide incremental rewrites into modern cloud-native code. Founded by Rob Mee (ex-CEO of Pivotal Labs), it targets enterprises seeking to reduce technical debt without disrupting operations.

Momentic makes AI-powered tools for software testing and verification, allowing teams to describe tests in plain English while the AI handles navigating user flows, interacting with screens, and validating results, helping companies like Notion, Quora, and Webflow ship faster with confidence.

Nuraline is an applied AI company building a forward-deployed AI agent that enables AI systems to continuously self-improve in production by connecting telemetry, traces, and user feedback to generate evaluations and tested improvements across the technology stack. The platform works closely with product teams and enterprises requiring measurable reliability gains in reasoning-heavy applications like enterprise search and web navigation. Currently operating as Introspection (introspection.dev), the company is in its earliest stage of development.

Open-source model-agnostic platform for cloud coding agents that automates real engineering work securely and transparently

Paragon is an embedded integration platform that enables SaaS companies to rapidly build and ship production-grade third-party integrations without building each connector from scratch.

Polar is an open-source billing and monetization infrastructure platform for developers and AI-native SaaS companies. It enables modern billing including subscriptions, usage-based, and events-to-billing in minutes with a few lines of code.

Pulse is a production-grade unstructured document extraction platform that converts complex PDFs, Word, Excel, and other document formats into structured, LLM-ready data. Built for enterprise reliability with OCR, bounding boxes, and vision language model capabilities.

Spur is an AI QA engineer that automates functional and end-to-end website testing using natural language descriptions. Users describe actions like 'add to cart' or 'apply for a job' and Spur's AI agent simulates them, detects bugs, and delivers instant feedback. The company serves e-commerce, travel, and enterprise customers including Alo Yoga, HelloFresh, Nextdoor, and Docusign.

V7 provides a data engine for computer vision teams to manage datasets, label data, and train AI models at scale.

High-performance multiplayer code editor built in Rust by the creators of Atom and Tree-sitter, designed for speed and real-time collaboration with AI coding features, used by 150,000+ active developers.

Activeloop provides a data platform for AI and unstructured data, helping teams build, manage, and query multimodal datasets for AI search and model training.

Focuses on developing AI acceleration chips and data center infrastructure tailored for running next-generation AI models.

Axiom is a cloud-native observability platform providing serverless log management, tracing, and AI telemetry. It eliminates the need to manage complex infrastructure or worry about data limits when storing and querying event data.

Building a privacy-preserving Ethereum Layer 2 with programmable privacy and client-side proofs.

Backflip AI turns text prompts into 3D models and design-ready assets for physical products.

Bezi builds a collaborative 3D design platform for creating and iterating on game assets, enabling teams to design and review 3D scenes together in the browser.

Cal.com is an open-source scheduling infrastructure platform that enables absolutely everyone to build scheduling into their applications, providing a flexible and customizable alternative to proprietary scheduling tools.

Clerk provides developer-first authentication and user management infrastructure, including embeddable sign-in flows, session management, organizations, and backend APIs for modern web applications.

Collaborative cloud data notebook platform for data science and analytics teams.

Dub is an open-source link attribution platform that powers short links, QR codes, conversion tracking, and affiliate programs for modern marketing teams. Used by over 1,000 companies including Twilio, Vercel, Perplexity, and Buffer, it provides advanced analytics and branded link management infrastructure.

Flora is a node-based AI design tool and infinite canvas platform for creative professionals. The platform allows designers to build and automate creative workflows using a visual node orchestration layer, enabling creation of images, videos, and other media assets. Used by designers at Alibaba, Brex, Pentagram, and Lionsgate.

FlutterFlow is a low-code visual development platform for building native mobile and web applications, used by over 1.3 million developers across 200+ countries.

GitBook is an AI-native documentation platform for technical teams that simplifies knowledge sharing with docs-as-code workflows and AI-powered search. Used by over 2 million users including Zoom and FedEx.

No-code platform building AI-powered business apps from spreadsheets with speed, security, and scale, serving 100K+ customers creating intelligent software without writing code.

Guild.ai is a San Francisco company building a control plane for AI agents in the enterprise. The platform lets teams build, deploy, govern, and share agents in production, enforcing identity and permissions at the moment of action while recording every input and tool call for audit and reversibility. It is code-first, model-agnostic, and vendor-neutral, with security and observability built into the runtime.

Open-source metering and usage-based billing platform that enables SaaS companies to build flexible pricing models with consumption tracking, subscription management, and payment orchestration.

Larridin builds AI productivity intelligence software for enterprises adopting generative AI. Its platform measures AI adoption, fluency, impact, and developer productivity across teams. The company targets mid-to-large enterprises in technology, financial services, healthcare, and manufacturing seeking to quantify operational ROI from AI transformation.

Layercode provides voice AI infrastructure for developers, enabling production-ready, low-latency voice AI agents using TypeScript. The platform handles real-time audio processing across 330+ global edge locations with sub-50ms latency, supporting multiple LLM and voice providers.

Letta builds a platform and open source framework for stateful AI agents with memory, helping developers deploy autonomous agents that operate over long-running workflows.

Developer observability for live apps: dynamic logs, metrics, traces without restarts.

Nous Research is an open-source AI lab developing large language models and decentralized training infrastructure, including Hermes models and the Psyche network.

AI-driven CSV and PDF data import automation platform for seamless customer onboarding.

Onlook is an open-source visual IDE for React and Next.js applications, described as 'Cursor for Designers.' It lets teams design directly in their real codebase by visually editing components while AI syncs changes back to source code in real time. Founded in 2024 and backed by Y Combinator (W25) and Leonis Capital.

Authorization-as-a-service platform providing fine-grained access control with declarative policy language.

Pierre is an opinionated git platform that rebuilds code hosting, code review, and CI from the ground up for small engineering teams augmented by AI. Founded by Bootstrap co-creator Jacob Thornton and early Twitter engineer Ian Ownbey.

poetiq is an AI research and engineering company building reasoning systems and self-improving intelligence infrastructure, founded by former Google DeepMind researchers.

Provides a unified interface to design AI workflows by connecting data, models, and automations.

Radical AI is building next-generation AI infrastructure with a focus on custom silicon and compute systems optimized for large-scale model training and inference. It aims to reduce the cost and energy consumption of AI workloads through purpose-built hardware and software co-design.

Ranger is an AI-powered QA testing platform that writes, runs, maintains, and triages end-to-end tests for software teams. Its service combines AI-generated Playwright coverage with human QA review so product and engineering teams can catch production risks while shipping faster.

Unified API platform that connects business data across commerce, accounting, and payments platforms, enabling B2B SaaS companies to integrate financial data seamlessly.

Shortcut is a project management platform for product and engineering teams, combining planning, issue tracking, docs, and collaboration in one workflow.

AI-powered data platform that transforms unstructured web data and documents (websites, PDFs, pitch decks, reports) into structured, enterprise-ready datasets using their proprietary DoRa model that navigates and extracts data like a human, enabling real-time web extraction for business intelligence and data workflows.

Tinybird is a real-time data platform that enables data and engineering teams to build real-time data products and APIs at scale. The platform ingests, transforms, and serves large volumes of data with sub-second latency for analytics and operational intelligence.

Generates realistic synthetic data to power software testing and analytics without exposing sensitive production data.

Company behind TruffleHog, a leading open-source secret scanning tool with 15M+ downloads that detects, verifies, and remediates leaked API keys, tokens, and credentials across code repositories.

Adaline provides an LLMOps platform for product and engineering teams to iterate, evaluate, deploy, and monitor prompts and AI applications, helping teams manage experimentation, observability, and reliable production rollouts.

Adaptive Computer builds AI agents that act as a personal and business computer for automating day-to-day work.

Adopt AI builds an agentic automation platform for software and operations teams, giving applications and internal workflows AI agents that can execute across existing tools, connectors, and business processes.

Decentralized AI search network for the Web3 Internet providing personalized search experiences and helping developers build custom search functionalities

A cloud infrastructure service for deploying and managing intelligent, autonomous AI agents for various enterprise tasks.

Alloy Automation provides an embedded integrations platform that enables product and engineering teams to build, deploy, and manage SaaS integrations. The platform offers low-code integration builders and connectivity APIs for B2B software companies.

Altan is a Barcelona-based startup building an agent-native platform where AI-powered squads autonomously design, build, and operate software from end to end. The platform has attracted over 25,000 builders and businesses, enabling anyone to create websites, web applications, and full software products through conversational prompts.

Amberflo is an AI monetization infrastructure platform that enables companies to track usage precisely through unified metering, cost attribution, and billing automation. Built for the AI and agentic era, it provides centralized FinOps, credits management, and revenue recognition capabilities for teams deploying LLM-based products.

Provides a no-code platform to compose multi-agent AI workflows and deploy them into production.

Anvil provides a document SDK that helps product teams automate paperwork workflows including PDF generation, form filling, data extraction, and e-signatures. The platform enables developers to build document automation directly into their applications.

Arga Labs builds real-world sandboxes for testing and training AI agents, creating high-fidelity stateful 'digital twins' of third-party services like Salesforce, Workday, Slack, GitHub, Stripe and Gmail (API, CLI, MCP and UI). Teams seed scenarios in natural language, run automated evaluations per commit or PR, and capture full traces of provider calls and service-state changes. The company is a Y Combinator Spring 2026 company based in San Francisco.

Astrus is an AI-powered microchip design company that develops software to automate analog chip layout design. The platform uses reinforcement learning to help circuit designers create advanced microchips, learning semiconductor physics and balancing performance with manufacturability. The company is based in Toronto and Waterloo, Canada.

All-in-one web-based map builder and geospatial analysis platform that enables users to create, collaborate on, and share custom maps with built-in GIS tools.

Backline is an autonomous security remediation platform that deploys a fleet of AI agents to eliminate enterprise security backlogs at scale. Its AI team automatically interprets vulnerabilities, plans fixes, generates production-ready code, and verifies changes.

Bardeen is an AI-powered workflow automation platform that helps GTM teams eliminate repetitive manual tasks through AI agents that integrate with existing tools.

BenchFlow is a San Francisco-based frontier environment lab building a unified platform to evaluate AI models and agents using standardized, reproducible benchmarks derived from real-world tasks. It ships products such as SkillsBench, ClawsBench, and the BenchFlow runtime, supporting evaluation of coding agents, web agents, RAG systems, and call-center automation. Founded in 2024 by CEO Xiangyi Li, the company offers custom benchmarks built on reinforcement learning and open community contributions.

Black Forest Labs is a generative AI company that created FLUX, one of the most advanced open-source image generation models, and previously pioneered Latent Diffusion and Stable Diffusion. Founded by machine learning researchers Robin Rombach, Patrick Esser, and Andreas Blattmann, the company builds powerful creative AI models from labs in Freiburg, Germany and San Francisco. Valued at $3.25 billion after raising $300 million in Series B funding, Black Forest Labs is at the forefront of generative media technology.

Blok is a behavior simulation platform that helps product teams make confident decisions before shipping. Using AI-powered synthetic users modeled from real behavioral data, it predicts how different user groups will interact with new designs or features, achieving up to 87% behavioral fidelity when backtested against real user data.

Super app platform enabling companies to embed lightweight mini-apps into existing mobile applications for payments, remittances, eSIM, lending, and marketplace features.

Modern logging and observability platform for AI applications and engineering teams, offering fast log ingestion, search, and alerting with a columnar storage architecture.

Buster is an open-source AI-native analytics platform that gives teams AI data analysts and engineers for their data stack.

Byteport builds global upload acceleration infrastructure for 1GB-100TB files using DART (Dynamic Accelerated Record Transfer), a proprietary UDP-based protocol that is typically 10x faster than TCP. The platform serves AI clusters, robotics, satellite networks, drone fleets, and defense applications, with SDKs across Python, Java, .NET, C++, Node.js, iOS, and Android. Backed by Y Combinator Winter 2026.

Charm builds open-source tools and libraries for the command line, including Bubble Tea, Lip Gloss, and Glow, making terminal user interfaces beautiful and developer-friendly.

Community platform for fine-tuning and sharing open-source AI models like Stable Diffusion, enabling users to customize models and access a marketplace of generative AI content with over 23 million monthly visitors.

Clover Security builds AI agents for design-led product security, embedding security guidance into tools like Jira, GitHub, Cursor, and Slack so teams catch flaws before code is shipped.

Cognition is an AI agent lab building software engineering agents, including Devin, to help engineering teams plan, implement, and debug software more autonomously.

Conduktor builds an enterprise data management platform for Apache Kafka, giving teams a unifying layer to monitor, secure, and govern real-time data streaming. It provides security controls, monitoring, and governance to help regulated enterprises scale their Kafka usage. The company is headquartered in London with US expansion underway.

Contextual AI provides an enterprise platform for building specialized RAG 2.0 agents that enable domain-specific AI applications with advanced retrieval-augmented generation technology.

Coralogix is a full-stack observability and security platform that unifies logs, metrics, traces, and security data using a streaming ('Streama') engine and customer-owned storage, purpose-built for AI-scale telemetry. It serves 5,000+ customers including IBM and JFrog. The Israel-founded company raised a $200M Series F in June 2026 at a $1.6B valuation, bringing total funding to $550M.

Count is a collaborative agentic analytics platform that helps data teams move from analysis to decision-making with canvases, SQL, Python, and AI-assisted exploration.

Courier is a developer platform for building and managing product notifications across email, SMS, push, chat, and in-app channels.

Creao AI is an agentic AI platform where AI super agents autonomously execute tasks, write code, call APIs, and deliver reusable automation workflows. Founded in late 2024 and headquartered in Cupertino, California, the platform targets enterprise teams and individuals who want to turn workflows into intelligent, interactive software.

Dawnguard is a security architecture automation platform that shifts cloud security decisions into the design phase instead of scanning for vulnerabilities after systems ship. Its AI-powered platform translates corporate policy, regulatory requirements, and security standards into concrete architecture decisions, guardrails, and production-ready Infrastructure as Code across AWS, Azure, and GCP. It continuously validates that systems meet those requirements in both development and production.

Dedalus Labs builds infrastructure for agentic AI, with products and APIs for deploying multimodal, multi-tool agents and experimenting with autonomous workflows in production.

Experimental AI product lab offering tools for content generation and editing across various media, including image and video generation, music composition, and photo editing

Definite combines a cloud data warehouse, metrics layer, notebooks, dashboards, and AI assistant workflows into an all-in-one analytics platform for faster self-serve analysis.

Enterprise blockchain technology company building the Daml smart contract platform and Canton Network for tokenizing real-world assets, backed by Goldman Sachs, Citadel Securities and DTCC

Distributional provides enterprise AI testing platform that helps teams discover, triage, and resolve issues with AI application reliability, reducing operational risk for production deployments.

Self-hosted inference platform for deploying AI models enabling enterprises to deploy any model on their infrastructure with production-grade management

Duffel provides a powerful API that enables developers and businesses to search, book, and manage flights and other travel products without the complexity of legacy travel infrastructure.

Eco builds stablecoin infrastructure for developers and businesses, enabling programmable money movement and one-click onchain payment flows.

Entelligence AI is an AI-powered code review and engineering team management platform that functions as an AI Tech Lead. It automates PR reviews, surfaces bugs early, maintains documentation, and provides engineering leadership with team velocity insights.

Evolvent AI builds data infrastructure for self-evolving AI agent systems, producing high-quality RL/SFT post-training data and simulated environments for coding, SWE, terminal, and long-horizon agent tasks. Its platform lets a population of agents inside an organization co-evolve over time by accumulating skills and shared memory across trajectories. The team, drawn from top universities and leading foundation-model groups, sells post-training data and agent evaluation infrastructure to frontier model labs.

EZKL builds zero-knowledge machine learning (zkML) infrastructure for verifying AI model inference. Its open-source tooling compiles PyTorch, TensorFlow, and scikit-learn models into zero-knowledge circuits, proving computations ran correctly without exposing sensitive inputs or model weights. EZKL also operates a high-performance proving cluster.

Model serving and fine-tuning platform for open and custom LLMs, designed for high-performance, cost-efficient inference.

Fish Audio develops multilingual AI voice generation and voice cloning infrastructure for creators and developers, with text-to-speech APIs and audio production tools.

Fixie (now Ultravox) builds real-time, speech-native voice AI models and developer tools for building fast, fluent conversational voice agents.

Flexprice is an open-source monetization infrastructure platform built for AI-native and SaaS companies. It enables teams to operate usage-based, credit-based, and hybrid pricing models with real-time metering and reporting, following an open-core model with self-hosted or cloud deployment options.

Flow Computing develops Parallel Processing Unit technology to accelerate next-generation CPUs for AI, edge, cloud, and parallel computing workloads.

GraphQL-based ledger API giving fintech companies institutional-grade double-entry accounting infrastructure for real-time balance tracking, funds flow composition, and fault-tolerant money movement.

Ghost is a non-profit organization building open source technology for modern publishing. It provides a professional blogging and newsletter platform with built-in email newsletters and paid subscriptions, used by publishers worldwide.

GitButler builds a next-generation Git client that replaces the branch-and-stash workflow with virtual branches, letting developers work on multiple changes in one working directory. Founded by GitHub co-founder Scott Chacon, the open-source Rust/Tauri desktop app adds AI-generated commit messages, unlimited undo, and version-control primitives aimed at AI coding agents. The company raised a $17M Series A led by a16z in April 2026.

Glue is an open-source interface design canvas for AI agents, giving coding agents an infinite canvas to create new interfaces, iterate on existing ones, and turn changes into production-ready code in real time. It is designed as a collaborative workspace where builders and AI agents work together in a single design-to-code workflow.

Gordian Software builds APIs that enable the world's leading travel organizations to increase revenue by seamlessly selling airline ancillaries and add-ons, serving over 60 million passengers monthly across 100+ airline partnerships.

Guardrails AI builds safety, validation, and monitoring infrastructure for large language model applications. Its open-source and enterprise platform helps developers enforce output checks, reliability constraints, and policy guardrails around AI systems. The platform supports building, governing, and scaling production generative AI across any LLM and deployment environment.

HeyBoss AI is a no-code, agent-driven platform that turns a plain-language prompt into a working website, app, game or dashboard in minutes, handling design, code generation, deployment, hosting and SEO end to end. It markets itself as a full AI 'team' (AI designer, developer, copywriter, SEO specialist) aimed at SMBs and non-coders. The company was founded by Xiaoyin Qu (previously Run The World) and originally launched as Heeyo, a kids' AI learning app, before pivoting and rebranding to HeyBoss.

Indices turns any website or web app into a reliable, typed API by learning its underlying HTTP/network traffic — no browser automation, screenshots, or clicking. Developers describe a workflow in natural language, demonstrate it once, then call a deterministic REST endpoint; SDKs (Python/TypeScript), CLI, and MCP let AI agents like Claude and ChatGPT operate software that has no official API. It handles MFA/SSO, CAPTCHA and bot management, with end-to-end encryption and audit trails for enterprise use.

Infinity is an AI infrastructure company building a universal inference software layer — a CUDA alternative — that makes any AI chip (GPUs, SRAM, mobile chips, systolic arrays) inference-ready and reduces dependence on NVIDIA's ecosystem. Its AI research agent, Ignition, automatically generates, tests, and optimizes the low-level compute kernels that determine how efficiently a chip runs AI models, compressing development from months into hours. Founded by former Google Brain researcher and AGI House co-founder Jeremy Nixon.

The developer platform for easily building reliable workflows with zero infrastructure, enabling serverless, event-driven backend workflows at scale.

Instance (Instance Labs) automates evaluation of robot learning policies. Its product analyzes rollout video and returns success/failure verdicts with per-subtask breakdowns and evidence, replacing the manual work of watching rollouts, judging outcomes, and resetting test environments. Founded 2026 by MIT alums Claire Mao (CEO) and Lucy Cai (CTO), part of Y Combinator's S26 batch.

Interhuman AI builds the social intelligence layer for AI systems, enabling them to read, interpret, and respond to human behavior in real time. Their technology combines body language, facial expression, and tone-of-voice analysis with contextual awareness to create more natural human-AI interactions.

Developer-first bug reporting tool that captures everything engineers need to debug in one click, including video replays, console logs, network requests, and reproduction steps.

Leen provides a unified API and data fabric for cybersecurity, helping security product teams, internal security teams, and MSPs integrate once with security tools and normalize vulnerability, endpoint, cloud, identity, compliance, and operational data.

Lemon Slice is a research and product lab building real-time interactive AI avatars, using its own video-diffusion models to turn any single image into a character you can video-chat with live. Its Lemon Slice-2 model is offered to developers via API and embeddable web components for use cases like education, language learning, e-commerce, and corporate training. The company emerged from Y Combinator's W24 batch.

LobeHub is an open-source AI platform that grew out of LobeChat, a self-hostable chat framework supporting any model provider, plugins, and user-owned data. It now positions itself around an "Agent Harness" runtime — an OS-like layer handling prompt presets, tool calling, planning, filesystem access, and sub-agent management — so individuals and teams can build and operate AI agent teammates. The project is community-driven with contributors worldwide and no disclosed outside funding.

Luminal builds a compiler and runtime for AI inference that treats compilation as a search (superoptimization) problem, automatically compiling models into native code optimized for GPUs, ASICs, and other hardware by auto-generating and searching high-performance kernels. It aims to push GPU utilization well above the typical 10-20%, delivering 2-3x faster inference while preserving the standard PyTorch developer workflow. A Y Combinator (S2025) company, it raised a $5.3M seed in November 2025 led by Felicis Ventures.

Lyzr builds an agentic operating system that lets enterprises create, deploy, and govern production AI agents with built-in safety, memory, and orchestration. Its framework supports multi-agent 'knowledge mesh' workflows for functions like sales, support, and back-office automation. Founded in 2023 and headquartered in Jersey City, New Jersey, with engineering in Bengaluru.

Mage is an open-source, AI-native data pipeline platform that enables teams to build, run, and manage data pipelines for integrating and transforming data using Python, SQL, and R. Available as both open-source and enterprise versions, it provides real-time and batch pipeline orchestration.

Mangrove builds a decentralized exchange with an on-chain order book and programmable liquidity for DeFi traders and market makers.

Marqo is a vector search platform that enables developers to build smarter search experiences with multimodal AI, improving conversion rates for e-commerce, recommendations, and content discovery.

AI model routing and interpretability platform using breakthrough Model Mapping technology to unpack LLMs into interpretable architectures. Intelligently directs prompts to best-suited models.

Milestone (Milestone AI Ltd.) is the operating layer for AI-native engineering — a platform that measures GenAI adoption and ROI across software teams by joining data from codebases, project management tools, team structures, and AI coding assistants into a single "GenAI data lake". It lets engineering leaders track AI tool spend, trace AI-generated code to delivery and quality outcomes, and govern autonomous agents. Founded by Liad Elidan (CEO) and Prof. Stephen Barrett (CTO) out of a Trinity College Dublin research collaboration, with customers including monday.com, Kayak, Sapiens, HiBob, Varonis, and Cross River Bank.

MindFort is an applied AI security lab building autonomous agents that find, validate, exploit, and patch vulnerabilities in production web applications. Its agents run continuous penetration tests across a company's attack surface on every CI/CD push, chain findings into working proofs of exploit, and ship remediations as pull requests. Founded in 2025 out of Y Combinator's Spring 2025 batch.

Mistral AI is a French AI company building fast, open-source, and secure large language models for developers and enterprises. Known for efficient, high-performance models offered via API and for self-hosting.

Mitosis Labs is a San Francisco human–AI interface company building Cortex, a private, encrypted personal memory system that connects apps like Google Workspace, WhatsApp and GitHub into a queryable knowledge graph that AI agents can use. It ships an SDK/CLI (`mi`), an MCP API, and encrypted backups so individuals own and control the data their agents rely on. Founded by Alex Morris and PJ (ex-Meta), it operates as a small self-funded team.

Modular builds a unified AI compute platform that lets developers run AI models across NVIDIA, AMD, and other hardware without rewriting code per chip. Its stack includes MAX, a high-performance inference/serving framework, and Mojo, a Python-superset systems language that compiles to C/CUDA-class performance. Founded by Swift creator Chris Lattner and ex-Google TensorFlow lead Tim Davis, it positions itself as an open alternative to the CUDA lock-in.

Momen is a full-stack no-code and AI development platform that lets non-technical founders build production-ready web applications and AI agents through drag-and-drop UI, a built-in relational database, and visual backend orchestration. Founded in 2019, it expanded to global web app hosting in 2022 and is backed by Sequoia, MiraclePlus, and Linear Capital.

Monid is an agent-native tool router — often described as "OpenRouter for agent tools" — that lets AI agents discover, inspect, run, and pay for external tools and APIs at runtime through a single integration and shared balance. Its catalog spans 1,700+ tools across search, SEO, lead generation, e-commerce, market data, social data, and image/video/audio/3D generation, accessible via MCP, CLI, or HTTP API. The company reports over 4 million agent transactions processed.

Naïve builds an autonomous company runtime — AI agent infrastructure that gives agents real-world execution capability across cloud compute, databases, model routing, email, phone numbers, virtual cards, payments, KYC/KYB, company incorporation, and 10,000+ third-party SaaS integrations, with governance for permissions, budgets, and approvals. Developers can have coding agents such as Claude Code, Codex, and Cursor call the API directly, effectively packaging AWS, Stripe, Deel, and incorporation into one interface for "AI employees". Founded by UC Berkeley dropouts Sean Dorje and Dennis Zax, the Y Combinator-backed company raised a $28.5M Series A led by Nexus Venture Partners in August 2026.

NanoClaw is a security-focused, open-source personal AI agent that runs each agent in an isolated Docker/Linux container on Anthropic's Claude Agent SDK, connecting to WhatsApp, Slack, Telegram and other messaging apps. Built by NanoCo, it went viral with ~29K GitHub stars after its February 2026 open-source launch. NanoCo raised a $12M seed in May 2026 at a $62M valuation to build enterprise AI assistants on top of NanoClaw.

Native is a decentralized liquidity protocol enabling seamless cross-chain token swaps and DeFi integrations. It provides infrastructure for builders to embed native token exchange functionality into wallets, dApps, and exchanges.

NeoSigma builds the infrastructure layer that lets AI agents learn from real-world production experience, closing the feedback loop between customers, products, and AI systems. Its auto-harness tooling mines agent failures, converts them into structured evaluation signals, and gates against regressions to create self-improving agentic systems. Founded in 2025 by Gauri Gupta (ex-Parallel AI, MIT Media Lab), it operates out of San Francisco and Bengaluru.

An AI platform helping in content creation, coding, image generation, and voiceovers with advanced generative AI capabilities.

Niteshift is a New York-based cloud platform for AI coding agents, letting teams define their dev environment, services, and automations once and run any frontier agent (Claude Code, Codex, OpenCode) against a real application stack. The platform handles runtime, databases, auth, testing, and verification workflows so agents can build and validate software autonomously, and is deliberately model- and vendor-agnostic. Founded by former early Datadog engineering leaders Sajid Mehmood and Conor Branagan.

Nominal provides the connected hardware test stack used to capture telemetry, validate systems, and ship complex hardware faster. Its software supports aerospace, defense, and industrial teams running mission-critical test and operations workflows.

Okahu provides AI observability tooling to test, monitor, and improve LLM and agent behavior in production systems.

OpenMind is building an open, Android-like software stack for robots to make autonomous systems easier to build, deploy, and coordinate.

Ora Frontier builds private AI software that runs capable local models directly on users' own laptops and desktops, so files, prompts, and workflows never leave the device. Its products are Ora Core (on-device private AI), Ora Fleet (AI deployment and governance across managed environments), and Ora CLI (terminal control of local AI). The company emphasizes hardware-aware execution and model compilation that cuts memory use — it cites a 70B model running in 14GB instead of 48GB.

Reinforcement fine-tuning platform (YC W25) that helps companies build task-specific AI models that outperform foundation models at a fraction of the cost, applying GRPO-style post-training without managing infrastructure.

PaleBlueDot AI develops an AI platform and infrastructure stack for building and deploying AI applications, including agent workflows and model-powered products.

Paper is a connected design canvas that links teams, agents, code, and data on a single web-standards-based design space, enabling designers to move fluidly from canvas to code and back while collaborating with AI agents. Founded in 2024 by Stephen Haney, co-creator of Radix UI, the company raised a $4.2M seed round in February 2025 led by Accel and Basecase.

No-code AI platform enabling non-technical teams to build and deploy machine learning models, turning text data into insights without coding for researchers, marketers, and support teams.

Polars is a blazingly fast DataFrames library written in Rust, offering Python, R, Node.js, and SQL bindings for efficient, multi-threaded data manipulation at scale.

Leading 3D scanning and capture platform for iOS, Android, and web with LiDAR technology, photogrammetry, and 360° capabilities for creating professional-grade 3D models and floor plans.

Port is an agentic internal developer portal platform that helps engineering teams build autonomous workflows to accelerate software delivery. It provides a unified context lake, software catalog, AI agents, and workflow orchestration tools that integrate across the development toolchain.

Prisma builds an open-source ORM, Prisma Postgres, and related tooling for developers building modern data-intensive applications.

PromptQL is an agentic AI data-access and analysis platform built by the team behind Hasura, letting enterprises deploy LLM-powered agents that query, reason over, and act on their business data reliably. It combines a query planning layer with LLM workflows to deliver trustworthy automated data analysis for business operations. The company is San Francisco-based and operates as the AI-native successor product of Hasura.

Proof of Play builds onchain game infrastructure and consumer gaming experiences for decentralized game worlds and player-owned assets.

PropelAuth is a fully managed authentication and authorization platform built specifically for B2B SaaS products, covering multi-tenant organizations, enterprise SSO, SCIM, RBAC, and MCP server auth. It ships hosted pre-built UIs plus SDKs so developers can add org-aware login, user management, and self-service admin without building it in-house. A Y Combinator W22 company, it operates as a remote-first US team.

Proximal is a San Francisco research lab and data company building high-fidelity, long-horizon RL environments and training data for frontier coding agents. It argues the bottleneck for frontier-model data is research systems rather than domain experts, and it publishes FrontierSWE, an open-source ultra-long-horizon software-engineering benchmark that current frontier models largely fail. The team was founded by Justus Mattern, Calvin Chen, and Navid Pour.

Qodo (formerly CodiumAI) builds an AI code quality and verification platform that reviews, tests, and validates code before it ships. Its agents cover PR review, test generation, and enterprise governance for AI-generated code, with customers including NVIDIA, Walmart, Red Hat, Intuit, and Monday.com. Founded in 2022 in Tel Aviv, it has raised $120M total across seed, Series A, and a $70M Series B in March 2026.

Qpoint is an egress observability and security platform that uses eBPF to give engineering and security teams visibility and control over how applications communicate with external APIs and third-party services. Its lightweight Qtap agent captures outbound traffic metadata and payloads to monitor service health, API usage, and dependencies, while Qcontrol policies enforce runtime governance and a zero-trust posture for external traffic.

Rapider AI is an enterprise software development platform that connects company data so teams can find information faster and automate actions with AI and human expertise.

Raycast builds a productivity launcher and workflow platform that helps professionals automate repetitive tasks, search across tools, and access AI-powered commands from one command bar.

Rayon is an AI-powered collaborative CAD platform for architects and interior designers, often described as Figma for architectural design. It offers browser-based 2D floor plan creation with real-time collaboration and AI-assisted design tools.

South Korean AI chip company developing neural processing units (NPUs) for AI inference workloads. Offers AI accelerators, chiplets, interconnects, and software stacks for large-scale deployments.

Rebolt.ai builds an AI-native "Company OS" that turns how a business works into a live operating model (called Holocron) and generates governed, autonomous internal software from natural-language instructions. It connects to workplace systems (Oracle, Azure, GCP, AWS, Snowflake, SAP, etc.) to produce apps, interfaces, logic, and automations for non-technical teams across industries like manufacturing, construction, and media.

AI-powered site builder and component library with 1,000+ components for Figma, Webflow, and React. Generates website sitemaps and wireframes from text prompts for dramatically faster site building.

Cloud-based AI-powered image editing platform offering face swapping, video editing, image upscaling, watermark removal, and background removal tools

Respan (formerly Keywords AI, YC W24) is an AI observability and LLM engineering platform that lets teams trace, evaluate, and improve AI agents. It combines a unified gateway to 1,000+ models with automated evals, AI-judge scoring, cost/latency monitoring, and a proactive agent that surfaces regressions and triggers prompt fixes or alerts. The platform is used by 100+ AI startups and enterprise teams, processing 1B+ logs and 2T+ tokens monthly.

Reworkd builds AI-powered web data extraction agents that automate the entire scraping pipeline at scale. Note: Company announced sunsetting as of February 2025.

RisingWave Labs builds RisingWave, an open-source, Postgres-compatible streaming database for real-time stream processing and analytics. It lets engineers ingest events from Kafka, CDC sources, and other streams and query them with SQL and incrementally maintained materialized views. The company is headquartered in San Francisco and offers a managed RisingWave Cloud service.

Real-time interactive design and animation tool that enables designers and developers to create functional, ship-ready graphics with open-source runtimes that run fast and store small.

Riza provides isolated code execution infrastructure for AI-generated code and agent workflows.

RunPod is a GPU cloud infrastructure provider that enables developers, researchers, and AI companies to deploy and scale GPU workloads on demand. The platform offers serverless inference, on-demand GPU pods, and instant multi-node clusters, serving over 500,000 developers.

Runta builds the execution layer for AI agents: isolated, stateful microVM runtimes that let long-running agents run, be governed, and be recorded. The platform provides snapshot/resume/branch execution, prompt compression to cut token spend, credential protection, governed network egress, and full audit logs. Founded by ex-Cloudflare Edge Platform and Kong founding engineering leader Guanlan Dai, based in the SF Bay Area with a Singapore presence.

Schematik is an AI-native IDE — a 'Cursor for hardware' — that turns a plain-English project description into firmware code, wiring diagrams, a component list, and step-by-step assembly instructions for Arduino, ESP32, and Raspberry Pi Pico. Generated firmware can be flashed directly to boards via PlatformIO or exported for customization. The product is built on Anthropic's Claude models.

Screenpipe is an open source desktop AI memory platform that continuously captures screen and audio data for local search and automation.

GenAI game development platform building the Rho Engine to revolutionize video game creation, enabling developers to use AI for character design, NPC interactions, and game customization, backed by Netflix, Dell, and a16z.

Shiplight AI is an agentic QA testing platform for modern development teams, providing AI-generated tests with self-healing automation that adapts to UI changes and integrates with CI/CD workflows.

SkyPilot is an AI compute platform that commercializes the popular open-source SkyPilot project developed at UC Berkeley's Sky Computing Lab. It acts as a control plane that pools compute across 20+ clouds, neoclouds, Kubernetes, and Slurm into a single interface, automatically routing workloads to the most available and cheapest GPUs without code rewrites. Founded by Databricks co-founder Ion Stoica with CEO Zongheng Yang, it launched from stealth in July 2026 with $20M in seed funding.

Slate is building an AI sales engineer that helps go-to-market teams answer technical questions, complete security questionnaires, and create tailored demos faster.

Security app studio that lets teams build and deploy custom security apps without heavy engineering lift.

Spectro Cloud builds a unified management platform for Kubernetes, virtual machines, edge computing, and AI/GPU infrastructure across public cloud, private cloud, data centers, edge, and air-gapped environments. Its Palette and PaletteAI products let enterprises turn their own GPU servers into private AI inference platforms running open-source models, with policy-driven governance and lifecycle automation. Customers include T-Mobile, Airbus, Yum! Brands, and the U.S. Air Force.

A collaborative 3D design platform that runs in a web browser, enabling users to create interactive 3D experiences for web and mobile without coding.

Subframe is an AI-native design-to-code platform that lets teams design with real components and ship production React and Tailwind code.

Succinct is making zero-knowledge proofs accessible to any developer through SP1, their zkVM, and decentralized prover network that enables scalable blockchain applications and cryptographic infrastructure.

SuperHi is an online education platform offering flexible, project-based courses in code, design, and project management for creative professionals and aspiring developers.

Superlinked builds information retrieval infrastructure for AI applications, combining multimodal and structured signals to improve enterprise search and matching.

Universal memory API and context engineering platform for AI applications. Provides long-term and short-term memory infrastructure for AI agents, powering enterprise APIs, developer plugins, and a personal knowledge app.

Symbolica is a pioneering AI research lab founded in 2022 that leverages category theory to deliver breakthroughs in modern artificial intelligence research by building structured reasoning in machines with formal logic and semantics at the architectural level.

Tako builds an AI data analyst that embeds into applications and returns cited answers with shareable visualizations across external and internal data sources.

AI-powered background coding agents that autonomously detect, triage, and fix bugs or ship features for engineering teams, integrating with tools like Claude Code, Cursor, Slack, and Linear.

Tempest is an enterprise-grade internal developer platform built by the former Fleetsmith team (acquired by Apple). It automates infrastructure provisioning, enables self-serve developer workflows, and provides a fully-managed developer portal ensuring compliance with security standards.

Temporal provides a durable execution platform that enables developers to build reliable, fault-tolerant distributed applications. The open-source workflow orchestration engine ensures long-running processes and agentic AI workloads run to completion even in the face of failures.

TensorZero is an open-source stack for industrial-grade LLM applications with tooling for evaluation, observability, and production optimization.

Tesana is an AI game-creation platform that turns natural-language prompts into playable 3D games, using a proprietary engine (its closed-source Muranyi-3 model) that translates descriptions of environments, mechanics, characters and rules into structured game code. It ships a games marketplace, a desktop (Tauri) build and subscription tiers, and reported roughly 10,000 paying customers within its first weeks after demoing at GDC 2026. Co-founded by Johannes Vermandois (CEO) and Eric Heimer (CTO).

Nmbr is Canada's first dedicated embedded payroll software provider, enabling SaaS platforms and financial institutions to launch their own payroll products in days. The API-first platform handles the full complexity of Canadian payroll compliance and remittance.

Things Inc. creates Rooms, a platform for building interactive 3D spaces through drag-and-drop, editable objects, and code. The browser and iOS tool won a 2024 Apple Design Award and lets users design 3D rooms, games, and interactive experiences collaboratively.

AI research lab founded by former OpenAI CTO Mira Murati, building Tinker, an API for distributed LLM fine-tuning that makes model customization accessible without massive GPU infrastructure.

This Dot (This Dot Labs) is a US-based web platform consultancy and developer-relations firm founded by Tracy Lee and Jay Phelps, providing senior JavaScript/front-end architects for consulting, custom development, architecture assessments, and engineering training. It works with clients such as Google, Meta, Microsoft, and PayPal, and is heavily involved in open-source (RxJS, Angular, React, Vue ecosystems). NMSDC- and WBENC-certified (minority- and women-owned), headquartered in Peachtree City, Georgia, with a remote-first engineering team.

Tilde Research is an AI infrastructure company building efficient mixture-of-experts (MoE) training and inference systems. It develops novel architectures and hardware-aware algorithms to reduce the cost and improve the performance of large language model training.

Tracer is the first pipeline monitoring system purpose-built for high-performance computing in life sciences, providing real-time performance metrics, cost breakdowns, and optimization insights for complex computational pipelines.

TraceRoot AI is an open-source self-healing layer for AI agents that automatically identifies and resolves production bugs. It captures traces, logs, and metrics, then uses AI agents that analyze source code and GitHub history to perform root cause analysis and auto-fix issues. Part of Y Combinator's S25 batch.

Dev tools startup redefining software development at scale, offering tools for detecting and managing flaky tests, pull request merge queues, and flattening productivity curves as projects grow.

Open-source data preprocessing platform that extracts, cleans, and transforms unstructured documents (PDFs, images, HTML, emails) into structured formats optimized for AI and LLM pipelines.

Vellum builds an AI product development platform to design, evaluate, deploy, and monitor mission-critical LLM workflows for enterprise teams.

Vers (built by High Dimensional Research) provides git-like version control for live virtual machines, letting users branch, commit, and instantly resume running VMs with full memory, process, and network state preserved. It targets AI agent swarms, CI/CD preview environments, and long-running agentic workloads that need fast, checkpoint-based compute branching for coordinating multiple coding/agent sessions.

Walrus is a decentralized data layer for AI and Web3 builders, designed to store large datasets, media, and application state with programmable, verifiable access on Sui.

Wordware is a web-hosted IDE for building AI agents, enabling non-technical domain experts and engineers to collaboratively create, iterate, and deploy task-specific AI applications 20x faster. Backed by Spark Capital, Felicis, and Y Combinator, the platform offers prebuilt tools, API deployment, and tracing.

Xano is a scalable no-code backend platform that enables developers and non-developers to build APIs, business logic, and workflows without writing code.

Yellow is an AI-powered 3D character generation platform that enables professional-quality character modeling through generative AI, backed by Andreessen Horowitz games fund.

Zama builds open-source fully homomorphic encryption technology and confidentiality infrastructure for blockchain and other privacy-preserving applications.

Zephyr Cloud is a cloud-agnostic, framework-agnostic platform providing orchestration and observability for composable micro-frontend systems, enabling enterprise teams to deploy micro-frontend changes globally in real time. Founded in 2023 by Dmitriy Shekhovtsov and Zackary Chapple, the team behind Module Federation, the company integrates with cloud providers like Cloudflare and Netlify.

Free AI content detection tool designed to distinguish between AI-generated and human-written text with advanced detection algorithms