Developer Tools AI Startup Jobs

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

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

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

Application monitoring platform that helps developers identify and fix crashes in real-time.

Cloud platform for running and fine-tuning open-source AI models at scale.

Neutral-atom quantum computing systems and software.

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

Platform for deploying and scaling machine learning models in production.

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.

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

Framework and platform for developing applications powered by large language models.

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

Static analysis tool for finding bugs, detecting vulnerabilities, and enforcing code standards.

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.

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.

Stainless generates best-in-class SDKs from API specifications, serving customers including OpenAI, Anthropic, and Meta.

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

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

Data-centric AI platform for programmatically labeling and managing training data.

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

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

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.

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

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

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

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.

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.

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

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

AI code generation platform using reinforcement learning to build enterprise software development tools.

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.

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

/dev/agents is building a next-generation operating system purpose-built for AI agents, founded by former Google and Android executives who believe a fundamentally new OS is needed to realize the full potential of agentic AI. The company is led by Hugo Barra, David Singleton, Ficus Kirkpatrick, and Nicholas Jitkoff, who collectively helped shape the Android ecosystem. Valued at $500 million after a $56 million seed round led by Index Ventures and CapitalG, the company is developing foundational infrastructure for how AI agents interact with the digital world.

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

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

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.

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

AI platform providing reinforcement learning operations (RLOps) tools that enable organizations to customize, evaluate, and serve specialized large language models for production use cases. Founded by key contributors to the Falcon and BLOOM open-source LLM projects.

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.

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

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

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.

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.

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.

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

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.

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.

Anysphere builds Cursor, an AI-native coding environment for software teams, integrating LLM-assisted editing, agent workflows, and developer tooling.

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.

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.

Arc is the cash management and capital markets platform for technology companies. Arc helps businesses manage cash, unlock competitive yield, raise debt capital, and access AI-powered financial services through their intelligent CFO agent Archie, all in one unified platform.

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

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.

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

Arize builds AI observability and evaluation software for machine learning, LLM, and agent systems, helping teams trace, monitor, and improve production model performance.

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.

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

Astral builds high-performance Python developer tooling, including Ruff, uv, and ty, with a focus on fast local workflows and production-grade packaging.

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.

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

BaseHub is an AI-native headless CMS for developers, letting teams model content, expose it through structured APIs, and integrate AI-assisted content workflows into web products.

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.

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

Better Auth builds an authentication framework for TypeScript teams, combining open source auth primitives with managed infrastructure for sessions, identity, fraud controls, and user management.

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

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.

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.

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

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

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.

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

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

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.

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.

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

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.

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.

Builds wafer-scale compute hardware and systems optimized for training and inference of the largest neural networks.

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.

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.

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

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.

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.

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

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

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

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.

CodeRabbit is an AI-powered code review platform designed to help developers automatically identify bugs and improve code quality:contentReference[oaicite:4]{index=4}.

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

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.

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.

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.

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

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

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

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.

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

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.

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.

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:contentReference[oaicite:7]{index=7}.

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.

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

AI-powered code editor and pair programming tool built by Anysphere, helping developers code faster with intelligent autocomplete, codebase chat, and AI-assisted coding features.

Dagster builds open-source and commercial orchestration tooling that helps data teams ship, observe, and scale pipelines with a modern developer experience.

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.

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.

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

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

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.

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

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

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

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.

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.

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

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.

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

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

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

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.

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

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.

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.

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.

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.

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.

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.

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

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.

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.

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

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

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.

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.

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.

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.

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.

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.

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

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

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.

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.

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.

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.

Graphite is a developer productivity platform providing AI-powered code review and stacked pull request tools for engineering teams. The platform serves tens of thousands of engineers at over 500 companies including Shopify, Snowflake, Figma, and Perplexity. Graphite was acquired by Cursor (Anysphere) in December 2025 for a price well above its $290 million valuation.

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.

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.

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

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.

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%.

AI company building tools and coding agents that empower people to direct and verify complex work.

Inception Labs is developing diffusion-based large language models that aim to be faster, more efficient, and more controllable than traditional autoregressive LLMs.

Index is a modern product planning and discovery platform purpose-built for Linear, enabling product managers to collect ideas, manage feature requests, connect opportunities to revenue, and build roadmaps with a unified workspace.

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.

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

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.

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

Instill AI is a persistent AI workspace that transforms complex documents into actionable insights. Users can upload unstructured data such as financial reports, legal contracts, and research papers, ask questions across entire projects, and receive answers traced to specific sources with no coding required.

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.

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.

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

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.

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

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.

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.

Langfuse is an open source LLM engineering platform providing observability, prompt management, evaluations, and datasets for AI application development. Acquired by ClickHouse in January 2026, the platform integrates with OpenTelemetry, LangChain, OpenAI SDK, and other major frameworks.

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.

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.

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

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.

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

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.

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

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

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.

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.

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

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

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.

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.

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.

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

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.

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.

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.

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.

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

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

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

Mistral AI develops frontier foundation models and enterprise AI products, including open-weight and commercial offerings for assistants, agents, and production deployment.

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.

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.

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.

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.

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.

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.

Neon is a serverless Postgres platform that separates storage and compute to enable instant database branching, autoscaling to zero, and bottomless storage. Acquired by Databricks for approximately $1 billion in May 2025, Neon continues as an independent product.

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.

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.

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

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

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

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

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

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.

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

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.

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

Ona (formerly Gitpod) is the mission control for your personal team of autonomous SWE agents working across the entire software development lifecycle, trusted by 2 million developers and major institutions including America's largest banks, Europe's leading financial and pharmaceutical companies, and Asia's top sovereign wealth funds.

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

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

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.

Orchids is an AI-powered app and website builder that turns simple prompts into full-stack applications without coding. Supports web apps, mobile apps, Slack bots, browser extensions, and AI agents. YC W25 batch.

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.

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.

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

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.

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

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

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.

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.

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.

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

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.

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

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.

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.

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.

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

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.

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

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

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.

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

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

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

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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

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

AI model API platform that lets developers run open-source machine learning models for image, video, audio, and text generation via a simple API. Acquired by Cloudflare in November 2025.

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

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.

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

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.

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.

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

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.

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.

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.

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.

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.

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.

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

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

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

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

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.

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

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

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

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

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

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.

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.

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

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

No-code platform for enterprises to build and deploy AI agents that automate back-office workflows with secure integrations.

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.

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

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

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.

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.

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.

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.

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.

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

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.

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.

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

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

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

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.

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.

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.

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

Traceloop builds an LLM reliability platform for monitoring, evaluation, prompt management, and observability so teams can ship and improve production AI applications safely.

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.

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.

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.

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.

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

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.

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.

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.

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

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

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.

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.

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

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

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.

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

VoidZero is dedicated to building an open-source, high-performance, and unified development toolchain for the JavaScript ecosystem founded by Evan You, creator of Vue.js and Vite, with deep expertise in JavaScript tooling.

Vultr offers global cloud compute services, providing high-performance, cost-effective virtual servers and GPUs for developers and businesses:contentReference[oaicite:29]{index=29}.

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.

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.

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.

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

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.

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.

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.

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.

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.

ZeroEntropy provides a high-accuracy search API over unstructured data for AI agents and RAG applications. The YC-backed company builds smarter retrieval models enabling AI agents across healthcare, law, and sales.

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

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.