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
OmnaraThe Open-Source Alternative to Claude Managed AgentsActiveAI, Devtools	AI, Devtools	Active	YCS25
Orange SliceAgentic sales enrichment spreadsheetActiveAI, Devtools	AI, Devtools	Active	YCS25
PangolinOpen networking and security for your workforce, AI agents, and infraActiveAI, Devtools	AI, Devtools	Active	YCS25
PanoptiveThe continuous oversight engine for clinical trialsActiveAI, Devtools	AI, Devtools	Active	YCS25
PlaygentSandboxes for AI agentsActiveAI, Devtools	AI, Devtools	Active	YCS25
ProliferateDo your life's work with agentsActiveAI, Devtools	AI, Devtools	Active	YCS25
Rellingdeploying the first billion robots for manufacturingActiveAI, Devtools	AI, Devtools	Active	YCS25
RiverbankInfrastructure CartographyActiveAI, Devtools	AI, Devtools	Active	YCS25
SigmanticAIThe Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…ActiveAI, Devtools	AI, Devtools	Active	YCS25
stagewiseThe Open Source Agentic IDEActiveAI, Devtools	AI, Devtools	Active	YCS25
Stellon LabsBuilding tiny frontier AI models that run on edge devicesActiveAI, Devtools	AI, Devtools	Active	YCS25
Synthetic SocietySynthetic Videos to Simulate Real UsersActiveDevtools	Devtools	Active	YCS25
TesoraFrontier AI for ActuariesActiveAI, Devtools	AI, Devtools	Active	YCS25
TopologicalPhysics-based foundation models for CAD optimization.ActiveAI, Devtools	AI, Devtools	Active	YCS25
TraceRoot.AIOpen source self-improving layer for AI agentsActiveAI, Devtools	AI, Devtools	Active	YCS25
truthsystemsAutomatically blocking risky behavior with real-time governance agentsActiveAI, Devtools	AI, Devtools	Active	YCS25
VibeFlowAI content manager that grows your company's online presenceActiveAI, Devtools	AI, Devtools	Active	YCS25
WaferAI that makes AI fastActiveAI, Devtools	AI, Devtools	Active	YCS25
BUGSTERTesting Agent for busy developersNot statedAI, Devtools	AI, Devtools	Not stated	500 Global2025
DollhouseInteractive AI showsNot statedAI, Devtools	AI, Devtools	Not stated	SPC2025
FlamecastThe gateway for AI agentsNot statedAI, Devtools	AI, Devtools	Not stated	SPC2025
MaxinsightsTraining data for physical AINot statedAI, Devtools	AI, Devtools	Not stated	SPC2025
Preference ModelsReinforcement learning environmentsNot statedDevtools	Devtools	Not stated	SPC2025
Sparkle AIStreamlining Product Security & ComplianceNot statedDevtools	Devtools	Not stated	500 Global2025
VmaxAutomating reinforcement learningNot statedDevtools	Devtools	Not stated	SPC2025
AirweaveThe open-source context retrieval layer for agentsActiveAI, Devtools	AI, Devtools	Active	YCX25
AlkaliThe smarter way to estimate steel.ActiveAI, Devtools	AI, Devtools	Active	YCX25
AravoltaSoftware to monitor, control, and optimize data centers.ActiveDevtools	Devtools	Active	YCX25
AttuneFaster builds, zero effort.ActiveAI, Devtools	AI, Devtools	Active	YCX25
Better AuthThe authentication framework for TypeScriptActiveDevtools	Devtools	Active	YCX25
BitPatrolAI-powered code securityAcquiredAI, Devtools	AI, Devtools	Acquired	YCX25
BlaxelThe infrastructure for autonomous agentsActiveAI, Devtools	AI, Devtools	Active	YCX25
BloomBuild and share mobile apps in secondsActiveDevtools	Devtools	Active	YCX25
Boost RoboticsRobots for the inspection and maintenance of data centersActiveAI, Devtools	AI, Devtools	Active	YCX25
CapacitiveThe data gateway for agents.ActiveAI, Devtools	AI, Devtools	Active	YCX25
CascoAutonomous security testing for web apps, APIs, cloud, and AI systemsActiveAI, Devtools	AI, Devtools	Active	YCX25
Cashew LabsRecursive self improving harnesses and modelsActiveAI, Devtools	AI, Devtools	Active	YCX25
ChironGrammarly for Math ✏️ActiveAI, Devtools	AI, Devtools	Active	YCX25
ClideyTurn scattered data into one platform for decision-makingActiveAI, Devtools	AI, Devtools	Active	YCX25
CuaGive every agent a cloud desktopActiveAI, Devtools	AI, Devtools	Active	YCX25
cubicAI-powered code review platformActiveAI, Devtools	AI, Devtools	Active	YCX25
DocketAI agents for web testingActiveAI, Devtools	AI, Devtools	Active	YCX25
FeynCustom models trained on your dataActiveAI, Devtools	AI, Devtools	Active	YCX25
FreesoloProduct Native ModelsActiveAI, Devtools	AI, Devtools	Active	YCX25
GodelaAI Physics Engine to replace simulations and prototypesActiveAI, Devtools	AI, Devtools	Active	YCX25
GolfAgentic AI Security and GovernanceActiveAI, Devtools	AI, Devtools	Active	YCX25
HABITAccelerating world models.ActiveAI, Devtools	AI, Devtools	Active	YCX25
HelixDBThe fastest & most scalable graph-vector database on the marketActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCX25
Human BehaviorUnderstand your users beyond the numbersActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCX25
KaelioThe open-source context layer for data agentsActiveAI, Devtools	AI, Devtools	Active	YCX25
KairosSpecialized AI for Critical IndustriesActiveAI, Devtools	AI, Devtools	Active	YCX25
KashikoiSimulation Engine for Benchmarking AI ProductsActiveAI, Devtools	AI, Devtools	Active	YCX25
MesmerThe operating system for the 100x Engineering TeamActiveAI, Devtools	AI, Devtools	Active	YCX25
MethodAgents that improveActiveAI, Devtools	AI, Devtools	Active	YCX25
MindFortAutonomous Security AgentsActiveAI, Devtools	AI, Devtools	Active	YCX25
mlopExperiment tracking for training ML modelsActiveAI, Devtools	AI, Devtools	Active	YCX25
NaïveAutonomous Company InfrastructureActiveAI, Devtools	AI, Devtools	Active	YCX25
nao LabsOpen Source Analytics AgentActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCX25
Nimbic AIAutomatically write and update internal docs with every code commit.ActiveAI, Devtools	AI, Devtools	Active	YCX25
ParaQueryManaged GPU-accelerated Spark + SQL at 2x speed and half the costActiveData, Devtools	Data, Devtools	Active	YCX25

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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