YC companies
4,323 companies2,597 AI295 data930 devtools0 acquired0 inactive
LightSprintX26Software factory for product teamsActive3
X26LightSprintSoftware factory for product teamsActive3
LimrunX26Extend cloud sandboxes with iOS, Android and moreActive1
X26LimrunExtend cloud sandboxes with iOS, Android and moreActive1
LinzumiX26Team chat to command all your company's coding agentsActive3
X26LinzumiTeam chat to command all your company's coding agentsActive3
LumiusX26Fast, smart, accessible 3D ultrasound that anyone can useActive4
X26LumiusFast, smart, accessible 3D ultrasound that anyone can useActive4
MadroneX26Hyper-efficient coolers for data centersActive2
X26MadroneHyper-efficient coolers for data centersActive2
ManiculeX26AgentRel — Devrel For AgentsActive7
X26ManiculeAgentRel — Devrel For AgentsActive7
Maquoketa ResearchX26The intelligence layer for dronesActive5
X26Maquoketa ResearchThe intelligence layer for dronesActive5
MasterpieceX26Working capital for data companies training frontier AIActive3
X26MasterpieceWorking capital for data companies training frontier AIActive3
MemoirX26Everything your team ships, explained to everyone it affects.Active1
X26MemoirEverything your team ships, explained to everyone it affects.Active1
Memory StoreX26Company Brain.Active4
X26Memory StoreCompany Brain.Active4
MinicorX26Scalable windows desktop automationsActive8
X26MinicorScalable windows desktop automationsActive8
Miso LabsX26Emotive foundation voice modelsActive3
X26Miso LabsEmotive foundation voice modelsActive3
MochatradeX26US stock trading, unlocked for the globeActive3
X26MochatradeUS stock trading, unlocked for the globeActive3
ModernX26Modern - the ServiceNow killerActive2
X26ModernModern - the ServiceNow killerActive2
MountX26The AI Agent Insurance CarrierActive2
X26MountThe AI Agent Insurance CarrierActive2
MultiplierX26Agent harnesses for asset managersActive3
X26MultiplierAgent harnesses for asset managersActive3
Napkin MathX26AI nutrition coach in your pocketActive3
X26Napkin MathAI nutrition coach in your pocketActive3
NetterX26AI native Palantir for mid market.Active4
X26NetterAI native Palantir for mid market.Active4
Nine FivesX26RF test equipment for next-gen spacecraft, drones, and cellphonesActive2
X26Nine FivesRF test equipment for next-gen spacecraft, drones, and cellphonesActive2
OddpoolX26Institutional infrastructure for prediction marketsActive2
X26OddpoolInstitutional infrastructure for prediction marketsActive2
OntoraX26AI agents that interviews every employee to hand context to AI tools.Active3
X26OntoraAI agents that interviews every employee to hand context to AI tools.Active3
OpenProseX26An open-source operating system for reliable long-running agentsActive3
X26OpenProseAn open-source operating system for reliable long-running agentsActive3
OpenWorkX26The open source alternative to Claude CoworkActive4
X26OpenWorkThe open source alternative to Claude CoworkActive4
OrnadyneX26We're building robot birds for surveillance.Active4
X26OrnadyneWe're building robot birds for surveillance.Active4
PairioX26AI mobile app that helps factory technicians fix broken machinesActive3
X26PairioAI mobile app that helps factory technicians fix broken machinesActive3
PanaceaX26AI-Native FDA Regulatory ServicesActive3
X26PanaceaAI-Native FDA Regulatory ServicesActive3
ParrotX26Agentic operating system for auto repair shopsActive2
X26ParrotAgentic operating system for auto repair shopsActive2
PavootX26AI Event Manager for in-person eventsActive
X26PavootAI Event Manager for in-person eventsActive
PentagonX26The control plane for agent-native work.Active1
X26PentagonThe control plane for agent-native work.Active1
PerfectBit, Inc.X26RoboticsActive3
X26PerfectBit, Inc.RoboticsActive3
PLAN0 AIX26Construction Cost Intelligence.Active4
X26PLAN0 AIConstruction Cost Intelligence.Active4
Plena HealthX26Plena is the AI operating system for specialty medical practicesActive
X26Plena HealthPlena is the AI operating system for specialty medical practicesActive
PloyX26Ploy turns your website into your company's growth engine.Active14
X26PloyPloy turns your website into your company's growth engine.Active14
PopsX26Create & play AI games with friendsActive1
X26PopsCreate & play AI games with friendsActive1
primitiveX26communication for agentsActive4
X26primitivecommunication for agentsActive4
PrismX26AI-native recruiting agencyActive3
X26PrismAI-native recruiting agencyActive3
ProjectXX26Agent native workspace for heavy parallel workflows on the webActive8
X26ProjectXAgent native workspace for heavy parallel workflows on the webActive8
qomplementX26The Agentic ERP for supply chain operationsActive7
X26qomplementThe Agentic ERP for supply chain operationsActive7
RASPIREX26Autonomous Runtime SecurityActive3
X26RASPIREAutonomous Runtime SecurityActive3
Reason MachinesX26Reason Machines builds Reason Agent, the autonomous software engineer…Active2
X26Reason MachinesReason Machines builds Reason Agent, the autonomous software engineer…Active2
ReasonBlocksX26Specialized models that make your AI agents cheaper and more reliable.Active2
X26ReasonBlocksSpecialized models that make your AI agents cheaper and more reliable.Active2
RegbaseX26Automating Corporate Compliance, WorldwideActive3
X26RegbaseAutomating Corporate Compliance, WorldwideActive3
RentAHumanX26Marketplace for AI agents to hire humans.Active3
X26RentAHumanMarketplace for AI agents to hire humans.Active3
ReplicasX26Run any coding agent harness in the cloudActive2
X26ReplicasRun any coding agent harness in the cloudActive2
ResultX26Where new internet entrepreneurs build and run their companiesActive2
X26ResultWhere new internet entrepreneurs build and run their companiesActive2
RevnuX26The growth infrastructure for the autonomous businessActive2
X26RevnuThe growth infrastructure for the autonomous businessActive2
River MarketsX26Prime brokerage for prediction marketsActive2
X26River MarketsPrime brokerage for prediction marketsActive2
RudusX26AI Takeoffs for ConcreteActive2
X26RudusAI Takeoffs for ConcreteActive2
RuntimeX26AI agents for financial operationsActive7
X26RuntimeAI agents for financial operationsActive7
SaffronX26Helping your company find 10x engineers.Active3
X26SaffronHelping your company find 10x engineers.Active3
Saudara AIX26AI Native Sourcing Broker For Overseas ManufacturingActive2
X26Saudara AIAI Native Sourcing Broker For Overseas ManufacturingActive2
SavantX26Company brain every AI-native enterprise runs onActive2
X26SavantCompany brain every AI-native enterprise runs onActive2
SazabiX26The AI-native observability platform for fast-moving engineering teamsActive10
X26SazabiThe AI-native observability platform for fast-moving engineering teamsActive10
ScopeX26We help software companies get discovered and used by AI agentsActive2
X26ScopeWe help software companies get discovered and used by AI agentsActive2
SherpaX26Make websites improve themselves.Active2
X26SherpaMake websites improve themselves.Active2
shotwell.aiX26Annotations for robotics dataActive4
X26shotwell.aiAnnotations for robotics dataActive4
SilmarilX26Security for agents that self-improvesActive2
X26SilmarilSecurity for agents that self-improvesActive2
SmartbaseX26AI-native ERP for manufacturersActive2
X26SmartbaseAI-native ERP for manufacturersActive2
smol machinesX26Ship software faster with portable, self contained virtual machines.Active1
X26smol machinesShip software faster with portable, self contained virtual machines.Active1
SoriaX26AI Financial Research Terminal built for Healthcare (and beyond)Active3
X26SoriaAI Financial Research Terminal built for Healthcare (and beyond)Active3
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.