Active companies
Companies their accelerator lists as active, or whose site is alive. 17,200 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| KashikoiAI Simulation Engine for Benchmarking AI Products | Agent infrastructureAI agent benchmarking and evaluation | Y CombinatorX25 | Active | checked 2026-08-23 |
| LibrettoAI Turn website workflows into reliable APIs | Agent infrastructureBrowser automation and workflow codegen for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| MesmerAI The operating system for the 100x Engineering Team | Agent infrastructureagentic engineering team orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| Naïve Autonomous Company Infrastructure | Agent infrastructureautonomous business infrastructure stack | Y CombinatorX25 | Active | checked 2026-08-23 |
| nao LabsAI Open Source Analytics Agent | Agent infrastructureAnalytics agent framework and deployment | Y CombinatorX25 | Active | checked 2026-08-23 |
| ParsewiseAI Multi-document processing for your risk teams, AI agents, pipelines | Agent infrastructureMulti-document processing for AI agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| PrismAI Deploy AI Agents with a Single API Call | Agent infrastructureAI agent deployment platform | Y CombinatorX25 | Active | checked 2026-08-23 |
| RefreshAI Training gyms for computer use and software engineering work | Agent infrastructureRL training environments for agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| RunRLAI Reinforcement learning as a service | Agent infrastructureRL optimization for LLM agents | Y CombinatorX25 | Active | checked 2026-08-23 |
| SimAI Open source platform to build AI agent workflows | Agent infrastructureAI agent workflow orchestration | Y CombinatorX25 | Active | checked 2026-08-23 |
| SixtyfourAI Intelligence Infrastructure on People and Entities | Agent infrastructureAI agent infrastructure for intelligence | Y CombinatorX25 | Active | checked 2026-08-23 |
| XronosAI Xronos develops tools and services for building software-defined intelligent systems that interact with the physical world. | Agent infrastructurecyber-physical systems design automation | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| AgentOpsAI Allows you to build your next agent with graphs, monitoring, and replay analytics. | Agent infrastructureAI agent monitoring and observability | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| SkyfireAI Autonomous payments and identity for AI and AI agents. | Agent infrastructureAutonomous payments for AI agents | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| Virtue AIAI Elevate, Empower, Ensure: Unleashing AI's Potential, Securely | Agent infrastructureAI safety and guardrail platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| Thread AIAI Build controlled, governed, and reliable AI workflows and agents for your core operations. | Agent infrastructureAI workflow orchestration platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| CrewAIAI CrewAI is the leading AI multi-agent platform. The company OSS and enterprise platform are used by almost half the Fortune 500. Its tools have been dowloaded by developers in 155 countries. | Agent infrastructureMulti-agent orchestration platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| Warestack Engineering delivery governance for software teams | Agent infrastructureAI agent governance and coordination | Alchemist AcceleratorAlchemist Class 38 | Active | - |
| AsteroidAI The integration layer for healthcare: EHRs, payer portals & more | Agent infrastructurehealthcare data integration automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| Browser UseAI Leading open-source web agent project with 50k stars in 3 months | Agent infrastructurebrowser automation for AI agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| BudAI Agent with a computer | Agent infrastructureautonomous agent orchestration platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Butter Embedded Sandboxes for Agents | Agent infrastructurelightweight sandbox runtime for agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Confident AIAI The LLM Eval and Observability Platform for AI Quality | Agent infrastructureLLM evaluation and observability platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Corsair Connect your users to their apps | Agent infrastructureAPI integration for agents and workflows | Y CombinatorW25 | Active | checked 2026-08-23 |
| InvoAI infra for computer use agents | Agent infrastructurecomputer use agent infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Lucidic AIAI Reimagining how Machines Learn | Agent infrastructureAI agent learning and personalization system | Y CombinatorW25 | Active | checked 2026-08-23 |
| MastraAI The Javascript framework for building AI agents, from the Gatsby devs | Agent infrastructureAI agent framework and orchestration | Y CombinatorW25 | Active | checked 2026-08-23 |
| RoarkAI Test, monitor, and improve your voice agents | Agent infrastructureVoice agent monitoring and evaluation | Y CombinatorW25 | Active | checked 2026-08-23 |
| TrainLoopAI Reasoning Fine-Tuning | Agent infrastructureReinforcement learning fine-tuning for LLMs | Y CombinatorW25 | Active | checked 2026-08-23 |
| Truffle AIAI AWS for AI Agents | Agent infrastructureAgent API infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Agnost AIAI Infrastructure for self-improving agents. | Agent infrastructureAgent analytics and self-improvement | Entrepreneur FirstEF Bangalore 2025 | Active | checked 2026-08-23 |
| Asymptote LabsAI AI detection & response | Agent infrastructureSecurity & detection for AI agents | South Park Commons | Active3 open roles | checked 2026-08-23 |
| AthionAI The engineering system of record for process manufacturing | Athion | Agent infrastructureAI agent infrastructure for manufacturing | TechstarsTS 2025 | Active | checked 2026-08-23 |
| ButterbaseAI Platform for AI-native services firms | Agent infrastructureAgent orchestration for services | South Park Commons | Active | checked 2026-08-23 |
| DarwinAI Where Agents Do Business With Each Other | Agent infrastructureAI agent networking and commerce | a16z speedrunSR004 | Active | checked 2026-08-23 |
| DollhouseAI Interactive AI shows | Agent infrastructureinfrastructure for AI avatars | South Park Commons | Active | checked 2026-08-23 |
| General ReasoningAI Helping companies deploy agents that undertake long-running tasks. | Agent infrastructureAgent reasoning and training | Entrepreneur FirstEF 2025 | Active | checked 2026-08-23 |
| GrappleAI Grapple - DIY Data Warehouse | Agent infrastructureAI agent orchestration and tooling | TechstarsTS 2025 | Active | checked 2026-08-23 |
| Klira AIAI Klira: The Safety and Risk Lab for AI Agents | Agent infrastructureAI agent orchestration and tooling | TechstarsTS 2025 | Active | checked 2026-08-23 |
| NexadAI Native ads system for AI apps | Agent infrastructuremonetization infrastructure for AI apps | a16z speedrunSR004 | Active | checked 2026-08-23 |
| Parakeet SecurityAI Security layer for Voice AI agents. | Agent infrastructureVoice agent security and defense | Entrepreneur FirstEF London 2025 | Active | checked 2026-08-23 |
| RencomAI Powering the internet economy for AI. | Agent infrastructureCustom AI model training and deployment | Entrepreneur FirstEF Paris 2025 | Active | checked 2026-08-23 |
| Sedso.aiAI What does AI think about you? | sedsoAI | Agent infrastructureAI agent orchestration and deployment | TechstarsTS 2025 | Active | checked 2026-08-23 |
| SmitheryAI The gateway for AI agents | Agent infrastructureAI agent gateway | South Park Commons | Active | checked 2026-08-23 |
| vizcoAI Unlocking the power of AI, for regulated industries. | Agent infrastructureAI safety and governance layer | Entrepreneur FirstEF London 2025 | Active | checked 2026-08-23 |
| VmaxAI Automating reinforcement learning | Agent infrastructureReinforcement learning environments | South Park Commons | Active8 open roles | checked 2026-08-23 |
| AutoComputerAI Desktop RPA with AI computer use | Agent infrastructureDesktop RPA orchestration | Y CombinatorF24 | Active | checked 2026-08-17 |
| CanvasAI Continual learning for agents | Agent infrastructureContinual learning and evals for AI agents | Y CombinatorF24 | Active | checked 2026-08-23 |
| CekuraAI Voice AI and Chat AI agents: Testing and Observability | Agent infrastructureAI agent testing and observability | Y CombinatorF24 | Active | checked 2026-08-23 |
| Consus The fastest and cheapest way to use AI with ITAR or CUI data. | Agent infrastructureSecure AI infrastructure for defense | Y CombinatorF24 | Active | checked 2026-08-24 |
| CTGTAI The deterministic layer for frontier intelligence | Agent infrastructureAI alignment and reliability layer | Y CombinatorF24 | Active | checked 2026-08-23 |
| DarkgradeAI Let your camera understand the world | Agent infrastructureLLM image sensor protocol infrastructure | Y CombinatorF24 | Active | checked 2026-08-23 |
| EndstackAI The complete, collaborative workspace for humans and agents | Agent infrastructureAgent workspace and orchestration platform | Y CombinatorF24 | Active | checked 2026-08-23 |
| GaliniAI Compliance guardrails-as-a-service for AI applications | Agent infrastructureAI compliance and safety guardrails | Y CombinatorF24 | Active | checked 2026-08-23 |
| HalluminateAI Evaluation infrastructure for AI agents | Agent infrastructureAI agent evaluation data | Alchemist AcceleratorAlchemist Class 37 | Active | - |
| MoonshineAI Extending AI to interact with the real world | Agent infrastructureReal-world AI execution platform | Y CombinatorF24 | Active | checked 2026-08-23 |
| Openbenchmarks Openbenchmarks helps Agents pick the right vendors via Benchmarking | Agent infrastructureagent vendor selection and benchmarking | Y CombinatorF24 | Active | checked 2026-08-23 |
| RiveterAI Turn the web into structured data | Agent infrastructureweb data extraction and automation | Y CombinatorF24 | Active | checked 2026-08-23 |
| SmoothAI Fast, simple, reliable AI browser agent | Agent infrastructureBrowser automation and web agents | Y CombinatorF24 | Active | checked 2026-08-23 |
| StructAI Agents that keep prod running | Agent infrastructureAI incident response for DevOps | Y CombinatorF24 | Active | checked 2026-08-23 |
| SynthAI Prompt and Context Optimization for Coding Agents | Agent infrastructureAgent prompt and context optimization | Y CombinatorF24 | Active | checked 2026-08-23 |
| VespperAI The best DOCX MCP for agents to edit microsoft word documents | Agent infrastructureDocument editing MCP for agents | Y CombinatorF24 | Active | checked 2026-08-23 |
| ReloadAI Reload is a workforce management platform for AI agents. | Agent infrastructureAI agent workforce management and payments | Plug and PlayPnP 2024 | Active, new domain | 2026-08-23 |
| NLXAI NLX provides the most comprehensive platform for building enterprise conversational AI | Agent infrastructureConversational AI platform for enterprises | Plug and PlayPnP 2024 | Acquired | 2026-08-23 |
| BrowserOSAI The Open Source Agentic Browser | Agent infrastructureLocal agentic browser runtime | Y CombinatorS24 | Active | checked 2026-08-23 |
| CloudglueAI The video context layer for AI. | Agent infrastructurevideo understanding platform for AI agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| CovalAI Simulation & Evaluation that scales voice and chat AI agents | Agent infrastructureAI agent simulation and evaluation | Y CombinatorS24 | Active, new domain | 2026-08-23 |
| Decisional AIAI AI Coworkers for Business Automation | Agent infrastructureWorkflow automation agent platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| DoublezeroAI Platform to build, use, and monetize fully autonomous agents | Agent infrastructureautonomous agent orchestration platform | Y CombinatorS24 | Site unreachable | checked 2026-08-17 |
| expand.ai Turn any website into an API. | Agent infrastructureweb scraping and API infrastructure | Y CombinatorS24 | Active | checked 2026-08-23 |
| Hamming AIAI Complete QA platform for voice agents | Agent infrastructureVoice agent QA and monitoring platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Hexclave The user infrastructure platform | Agent infrastructureUser infrastructure and identity for agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| Hyrex The COLD Task Framework | Agent infrastructureTask orchestration and async processing | Y CombinatorS24 | Active | checked 2026-08-23 |
| Kura AIAI New State of the Art for Browser Agents | Agent infrastructureBrowser automation for AI agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| LaminarAI Understand why your AI agent breaks. Iterate fast to fix it. | Agent infrastructureAI agent observability and debugging | Y CombinatorS24 | Active | checked 2026-08-23 |
| MaitaiAI Reliable, self-improving enterprise AI | Agent infrastructureAI model reliability and self-improvement | Y CombinatorS24 | Active | checked 2026-08-23 |
| Mem0AI The Memory layer for AI Agents | Agent infrastructureMemory and context management for AI agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| PraxosAI Team messaging with built-in memory | Agent infrastructuremessaging platform for AI agents | Y CombinatorS24 | Active | checked 2026-08-23 |
| Redouble AIAI Java-native multi-agentic AI operating system for enterprise | Agent infrastructureJava enterprise agentic OS | Y CombinatorS24 | Active | checked 2026-08-23 |
| RetroFixAI Automate any workflow using plain english | Agent infrastructureWorkflow automation platform with AI | Y CombinatorS24 | Active | checked 2026-08-23 |
| RunLocal AIAI AI agent that optimizes inference for embedded compute like Jetson | Agent infrastructureAI optimization for embedded inference | Y CombinatorS24 | Active | checked 2026-08-23 |
| Voker The Agent Analytics Platform | Agent infrastructureAI agent monitoring and analytics | Y CombinatorS24 | Active | checked 2026-08-23 |
| WordwareAI AI agents you can rely on | Agent infrastructureAgent learning and autonomy platform | Y CombinatorS24 | Active | checked 2026-08-23 |
| Sonans AIAI Autonomous AI to onboard just about anything | Agent infrastructureAutonomous data onboarding and integration | 500 Global | Active | checked 2026-08-23 |
| Remyx AIAI Agent-guided MLOps | Agent infrastructureAgent-guided MLOps platform | Alchemist AcceleratorAlchemist Class 36 | Active | - |
| Andon LabsAI Autonomous organizations without humans in the loop | Agent infrastructureAI control and safety evaluation infrastructure | Y CombinatorW24 | Active | checked 2026-08-23 |
| Brainbase LabsAI The AI Labor Company | Agent infrastructureAI agent environments and tooling | Y CombinatorW24 | Active | checked 2026-08-23 |
| Breez LabsAI Helping Companies Deploy Email Agents in High Trust Domains | Agent infrastructureEmail agent deployment infrastructure | Y CombinatorW24 | Active | checked 2026-08-23 |
| Centauri AIAI Helps teams work effectively with AI coding agents. | Agent infrastructureAI coding agent orchestration | Y CombinatorW24 | Active | checked 2026-08-23 |
| CloudCruiseAI The developer platform for fast and reliable browser agents | Agent infrastructureBrowser automation for agents | Y CombinatorW24 | Active | checked 2026-08-23 |
| EllipsisAI Cloud platform for coding agents | Agent infrastructureCoding agent orchestration platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| GumloopAI A no-code platform for creating agents and automating workflows with… | Agent infrastructureLow-code workflow automation platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| Hatchet The orchestration platform for teams who ship. | Agent infrastructureAI agent orchestration and observability | Y CombinatorW24 | Active | checked 2026-08-23 |
| KeystrokeAI An all-in-one platform for building internal agents & workflows | Agent infrastructureAgent orchestration and deployment platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| MillionAI Tools for agent verification | Agent infrastructureAI agent verification and testing | Y CombinatorW24 | Active | checked 2026-08-23 |
| Panelytic Payment infrastructure for machines | Agent infrastructurePayment infrastructure for autonomous agents | Y CombinatorW24 | Active | checked 2026-08-23 |
| ParadigmAI A reimagined workspace with AI at its core | Agent infrastructureAI agent orchestration for structured data | Y CombinatorW24 | Active | checked 2026-08-23 |
| RaindropAI Sentry for AI Agents | Agent infrastructureAI agent monitoring and observability | Y CombinatorW24 | Active | checked 2026-08-23 |
| ReductoAI The complete agentic document platform | Agent infrastructureagentic document processing platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| RelariAI AI Agent Builder for Software 3.0 | Agent infrastructureAI agent builder and verification | Y CombinatorW24 | Active | checked 2026-08-23 |