Companies

Every startup from YC, 500 Global, Plug and Play and 6 more programs, newest cohort first, with program, category and status

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1,629 companies · 878 AI, 187 data, 1,629 devtools

Company	Category	Status	Program
Beglaubigt.deThe legal back-office for European founders - the incorporation API…ActiveDevtools	Devtools	Active	YCF24
CapyThe IDE for the parallel ageActiveAI, Devtools	AI, Devtools	Active	YCF24
CekuraVoice AI and Chat AI agents: Testing and ObservabilityActiveAI, Devtools	AI, Devtools	Active	YCF24
ClarusLP clarity across private marketsActiveDevtools	Devtools	Active	YCF24
ConsusThe fastest and cheapest way to use AI with ITAR or CUI data.ActiveAI, Devtools	AI, Devtools	Active	YCF24
CrustdataReal-time B2B data via simple APIsActiveAI, Devtools	AI, Devtools	Active	YCF24
CTGTThe deterministic layer for frontier intelligenceActiveAI, Devtools	AI, Devtools	Active	YCF24
DarkgradeLet your camera understand the worldActiveAI, Devtools	AI, Devtools	Active	YCF24
EndstackThe complete, collaborative workspace for humans and agentsActiveAI, Devtools	AI, Devtools	Active	YCF24
FreebuffThe free coding agentActiveAI, Devtools	AI, Devtools	Active	YCF24
GaitBuilding Dev Infra for AI Software EngineersInactiveAI, Devtools	AI, Devtools	Inactive	YCF24
HumanLayerThe multiplayer control plane for your software factoryActiveAI, Devtools	AI, Devtools	Active	YCF24
InnatePersonal AI RobotsActiveAI, Devtools	AI, Devtools	Active	YCF24
KilvinCustom software for your businessActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF24
Lingo.devThe Localization Engineering PlatformActiveAI, Devtools	AI, Devtools	Active	YCF24
Relvy AIAI powered debugging notebooks for incident responseActiveAI, Devtools	AI, Devtools	Active	YCF24
RevylThe Mobile Development PlatformActiveAI, Devtools	AI, Devtools	Active	YCF24
RiveterTurn the web into structured dataActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF24
RyvnEasy and secure customer cloud deploymentsActiveDevtools	Devtools	Active	YCF24
StructStruct keeps prod runningActiveAI, Devtools	AI, Devtools	Active	YCF24
supercontrastAI Co-Pilot for DesignInactiveAI, Devtools	AI, Devtools	Inactive	YCF24
SurgeStripe for telephonyActiveDevtools	Devtools	Active	YCF24
SynthPrompt and Context Optimization for Coding AgentsActiveAI, Devtools	AI, Devtools	Active	YCF24
VariantCreative intelligenceActiveAI, Devtools	AI, Devtools	Active	YCF24
VespperThe best DOCX MCP for agents to edit microsoft word documentsActiveAI, Devtools	AI, Devtools	Active	YCF24
vly.aiThe Lovable & Replit killersActiveAI, Devtools	AI, Devtools	Active	YCF24
x1AI app builder for creating and launching iPhone appsActiveAI, Devtools	AI, Devtools	Active	YCF24
AlunaData for biomedical AIActiveAI, Devtools	AI, Devtools	Active	YCS24
BluedoorAI for public records request fulfillmentActiveAI, Devtools	AI, Devtools	Active	YCS24
camferBuilding the world’s first AI mechanical engineer.InactiveAI, Devtools	AI, Devtools	Inactive	YCS24
CerulionOpen source operating system for robotsActiveAI, Devtools	AI, Devtools	Active	YCS24
CloudglueThe video context layer for AI.ActiveAI, Devtools	AI, Devtools	Active	YCS24
cmuxOpen source applied AI lab building next-gen devtoolsActiveAI, Devtools	AI, Devtools	Active	YCS24
CodeVizOne living model of your software architectureActiveAI, Devtools	AI, Devtools	Active	YCS24
Comfy DeployComfyUI for everyone on your teamActiveDevtools	Devtools	Active	YCS24
ConductorRun a team of coding agents on your MacActiveAI, Devtools	AI, Devtools	Active	YCS24
CovalSimulation & Evaluation that scales voice and chat AI agentsActiveAI, Devtools	AI, Devtools	Active	YCS24
d_modelLook inside the modelActiveDevtools	Devtools	Active	YCS24
DeepSim, Inc.An AI physics simulator for AI chip designActiveAI, Devtools	AI, Devtools	Active	YCS24
Dench.comWorkspace for your AI Agents, Build any Workflow.ActiveAI, Devtools	AI, Devtools	Active	YCS24
Diode Computers, Inc.Automate circuit board design using AIActiveAI, Devtools	AI, Devtools	Active	YCS24
Domu Technology Inc.AI Agents for collectionsActiveAI, Devtools	AI, Devtools	Active	YCS24
DoublezeroPlatform to build, use, and monetize fully autonomous agentsActiveAI, Devtools	AI, Devtools	Active	YCS24
Ember RoboticsDatadog for robotsActiveData, Devtools	Data, Devtools	Active	YCS24
EmergentAI app builder that turns your ideas into monetizable software.ActiveAI, Devtools	AI, Devtools	Active	YCS24
EntanglFind & resolve issues in data center engineering & operations using AIActiveAI, Devtools	AI, Devtools	Active	YCS24
expand.aiTurn any website into an API.ActiveAI, Devtools	AI, Devtools	Active	YCS24
FreestyleThe most powerful sandboxes for AI AgentsActiveAI, Devtools	AI, Devtools	Active	YCS24
GlasskubeShip self-hosted software with DistrActiveDevtools	Devtools	Active	YCS24
Guardian RFDrone detection for US defense and national securityActiveAI, Devtools	AI, Devtools	Active	YCS24
Hamming AIComplete QA platform for voice agentsActiveAI, Devtools	AI, Devtools	Active	YC +1S24
HaystackReplay real customer journeys against every change before you shipActiveAI, Devtools	AI, Devtools	Active	YCS24
HeroUIThe UI framework for AI agents and developers to build beautiful apps.ActiveAI, Devtools	AI, Devtools	Active	YCS24
HexclaveThe user infrastructure platformActiveDevtools	Devtools	Active	YCS24
Hey ReviaVoice AI to automate complex phone calls for healthcare providersAcquiredAI, Devtools	AI, Devtools	Acquired	YCS24
HyrexThe COLD Task FrameworkActiveAI, Devtools	AI, Devtools	Active	YCS24
ideate.xyzideate.xyz is an AI-powered 3D art suite on the webActiveAI, Devtools	AI, Devtools	Active	YCS24
InvariaThe next generation logging and observability platformInactiveAI, Devtools	AI, Devtools	Inactive	YCS24
LaminarUnderstand why your AI agent breaks. Iterate fast to fix it.ActiveAI, Devtools	AI, Devtools	Active	YCS24
MagiCodeA Reliable AI Frontend EngineerActiveAI, Devtools	AI, Devtools	Active	YCS24

Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.

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