HilstartAutonomous Hardware TestingYC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
OneCLIAI teammates for your business-critical work.YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
ShieldedWe help Fortune 500 companies hedge their supply chain riskYC S26·Active·Devtools | Devtools | Active | YCS26 |
Induction LabsBuilding intellectually curious AIYC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
ProbeThe Agent-Native Research StackYC X26·Active·AI, Devtools | AI, Devtools | Active | YCX26 |
OpenSpecPlan mode for complex featuresYC W26·Active·AI, Devtools | AI, Devtools | Active | YCW26 |
PartclDesign a chip in minuteshiringYC X25·Active·AI, Devtools | AI, Devtools | Active | YCX25 |
Flock SafetyThe first public safety operating system that eliminates crime.team of 1kYC top companyYC S17·Active·AI, Devtools | AI, Devtools | Active | YCS17 |
CheckrPeople infrastructure for the future of workteam of 800YC top companyYC S14·Active·AI, Devtools | AI, Devtools | Active | YCS14 |
Broccoli AIAI-native operating system for home service businessesteam of 85hiringYC W22·Active·AI, Devtools | AI, Devtools | Active | YCW22 |
Prembly (formerly Identitypass)Identity Verification API for Emerging Marketsteam of 80hiringYC W22·Active·Devtools | Devtools | Active | YCW22 |
Eden CareClaims infrastructure for African health insuranceteam of 28YC S23·Active·Devtools | Devtools | Active | YCS23 |
CrowdVoltThe integration layer for live events infrastructureteam of 12YC W24·Active·Devtools | Devtools | Active | YCW24 |
Andon LabsAutonomous organizations without humans in the loopteam of 11YC W24·Active·AI, Devtools | AI, Devtools | Active | YCW24 |
ParadeDBYou should just use Postgres.team of 11hiringYC S23·Active·Data, Devtools | Data, Devtools | Active | YCS23 |
SkyvernOpen Source AI Agent to automate browser workflows via an APIteam of 11hiringYC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
TwentyOpen Source CRMteam of 11hiringYC S23·Active·Devtools | Devtools | Active | YCS23 |
highlight.ioThe open source, fullstack monitoring platform: stop guessing why…team of 8acquiredYC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
OpenMeterUsage Metering, AI & API Monetizationteam of 7acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
LaminarUnderstand why your AI agent breaks. Iterate fast to fix it.team of 6YC S24·Active·AI, Devtools | AI, Devtools | Active | YCS24 |
VokerThe Agent Analytics Platformteam of 6YC S24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS24 |
DuckieBuild AI Support Agents in Minutesteam of 4hiringYC W24·Active·AI, Devtools | AI, Devtools | Active | YCW24 |
Dioxus LabsWeb, Desktop, and Mobile apps with one codebase in Rustacquiredteam of 4YC S23·Acquired·Devtools | Devtools | Acquired | YCS23 |
GlideCrypto Deposits, Wallet Funding, and Pay-with-crypto Infraacquiredteam of 4YC S23·Acquired·Devtools | Devtools | Acquired | YCS23 |
.WaveInference for real-time AIteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
A1Zap by A1BaseThe social network layer for AI appsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
ArtilLet your agents message teammates and other agentsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
ButterEmbedded Sandboxes for Agentsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
CedarExecute the best sales playbook in industryteam of 2YC W25·Active·Devtools | Devtools | Active | YCW25 |
CodevisorThe fastest native app for agentic engineering.team of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
CorsairOpenRouter for Integrationsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
DextoAWS for AI Agentsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
ExlaBuilding agents that reads logs and fixes issues on your behalf.team of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
QuantstructAI documentation engineer – test & autoimprove stale product docsteam of 2YC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
ReJotWe turn complex API integrations into drop‑in full‑stack librariesteam of 2YC W25·Active·Data, Devtools | Data, Devtools | Active | YCW25 |
SubtraceZero code network tracerteam of 2YC W25·Active·Devtools | Devtools | Active | YCW25 |
MixpanelMixpanel is event analytics for builders that need answers.team of 410YC top companyYC S09·Active·Data, Devtools | Data, Devtools | Active | YCS09 |
AlgoTestEcosystem for options trading in Indiateam of 40hiringYC S22·Active·Devtools | Devtools | Active | YCS22 |
TailorHeadless ERP for retail operationsteam of 40hiringYC S22·Active·AI, Devtools | AI, Devtools | Active | YCS22 |
InkeepBuild AI Agent teammates and automations in code or no-codeteam of 18hiringYC W23·Active·AI, Devtools | AI, Devtools | Active | YCW23 |
FeldyField-First AI for home servicesteam of 10YC W24·Active·AI, Devtools | AI, Devtools | Active | YCW24 |
EzDubsReal-time speech translationteam of 6acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
ReplitCollaborative in-browser IDEteam of 6522 open rolesYC W18 +2·Active·Devtools | Devtools | Active | YC +2W18 |
VapiVoice AI for developers.team of 502 programsYC W21 +1·Active·AI, Devtools | AI, Devtools | Active | YC +1W21 |
MetriportHealthcare data infrastructure for next generation care delivery.team of 29hiringYC S22·Active·AI, Devtools | AI, Devtools | Active | YCS22 |
TiptapThe open-source document editor for humans and AI agents.team of 20YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
ReflexBuild the software you wish existed.team of 15hiringYC W23·Active·AI, Devtools | AI, Devtools | Active | YCW23 |
MeticulousAutomated e2e screenshot testing without writing or maintaining teststeam of 15on 4 Glyph sourcesYC S21·Active·Devtools | Devtools | Active | YCS21 |
SilimateFast, efficient agents for chip design and debugteam of 8hiringYC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
TempoVisual Editor for React, powered by AIteam of 8hiringYC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
FreestyleThe most powerful sandboxes for AI Agentsteam of 5YC S24·Active·AI, Devtools | AI, Devtools | Active | YCS24 |
HeroUIThe UI framework for AI agents and developers to build beautiful apps.team of 5YC S24·Active·AI, Devtools | AI, Devtools | Active | YCS24 |
ScapeThe intelligent inbox that works for youteam of 5YC S24·Active·AI, Devtools | AI, Devtools | Active | YCS24 |
SchemeFlowAI Report Generation for Engineering & Environmental Reviewteam of 5YC S24·Active·AI, Devtools | AI, Devtools | Active | YCS24 |
SynnaxUnified Hardware Control and Data Processing Softwareteam of 5YC S24·Active·Devtools | Devtools | Active | YCS24 |
EdgeBitAutofix your software dependenciesteam of 5acquiredYC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
HeliconeLLM Observability for Developersteam of 5acquiredYC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
KeepThe open-source AIOps platformteam of 5acquiredYC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
LumeSpeed up customer implementation with AIteam of 5acquiredYC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
ContinuePioneering open-source coding agentacquired by Cursoron 3 Glyph sourcesYC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |