OnyxOpen Source AI Chat32.2k starsteam of 20YC W24·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW24 |
Prototyping.ioAutonomous manufacturing for mechanical partsacquiredteam of 2YC X26·Acquired·AI | AI | Acquired | YCX26 |
MetisInfrastructure to build reliable agentsteam of 13acquiredYC S25·Acquired·AI | AI | Acquired | YCS25 |
BlaxelThe infrastructure for autonomous agentsteam of 12acquiredYC X25·Acquired·AI, Devtools | AI, Devtools | Acquired | YCX25 |
ZeroEntropyArtificial Specialized Intelligenceteam of 6acquiredYC W25 +1·Acquired·AI, Devtools | AI, Devtools | Acquired | YC +1W25 |
RemedyAI Agents for Pharmaciesacquiredteam of 2YC F25·Acquired·AI | AI | Acquired | YCF25 |
FlowiseAIOpen source GenAI development platform55.5k starsteam of 5YC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |
Nexa LabsImplantable microchips and AI for cattle monitoringacquiredteam of 3YC S25·Acquired·AI | AI | Acquired | YCS25 |
OpennoteThe notebook that thinks with you.acquiredteam of 3YC S25·Acquired·AI | AI | Acquired | YCS25 |
BudAgent with a computerteam of 6acquiredYC W25·Acquired·AI | AI | Acquired | YCW25 |
Galen AIPersonal AI healthcare agent, powered by clinical and wearable data.acquiredteam of 2YC X25·Acquired·AI | AI | Acquired | YCX25 |
Kirana AIAI manager for physical storesacquiredteam of 2YC X25·Acquired·AI | AI | Acquired | YCX25 |
PropolisHands off QA via intelligent browser agents.acquiredteam of 2YC X25·Acquired·AI | AI | Acquired | YCX25 |
CentralPayroll, benefits, state compliance & other bullsh*t for startupsteam of 15acquiredYC S24·Acquired·AI | AI | Acquired | YCS24 |
Sepal AIData Development for Advanced AIteam of 15acquiredYC S24·Acquired·AI, Data | AI, Data | Acquired | YCS24 |
TensorPoolVercel For GPUsacquiredteam of 3YC W25·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW25 |
LangfuseOpen source LLM engineering platformteam of 26acquired by ClickHouseYC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
GanderAutomation System for Global Aviationteam of 7acquiredYC F24·Acquired·AI | AI | Acquired | YCF24 |
Egress HealthAutomated revenue cycle management, starting with dentistsacquiredteam of 2YC W25·Acquired·AI | AI | Acquired | YCW25 |
ReplicateRun machine learning models in the cloud9.5k starsteam of 36YC W20 +1·Acquired·AI, Devtools | AI, Devtools | Acquired | YC +1W20 |
AngleraAI-Powered Product Data Enrichmentteam of 6acquiredYC S24·Acquired·AI | AI | Acquired | YCS24 |
StarJarStarjar automates inbound document processing workflows for hospitalsteam of 11acquiredYC W24·Acquired·AI | AI | Acquired | YCW24 |
Hey ReviaVoice AI to automate complex phone calls for healthcare providersacquiredteam of 4YC S24·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS24 |
RemadeAI-native canvas for creative workflows.acquiredteam of 4YC S24·Acquired·AI | AI | Acquired | YCS24 |
BitPatrolAI-powered code securityacquiredYC X25·Acquired·AI, Devtools | AI, Devtools | Acquired | YCX25 |
StackAIThe Enterprise AI Transformation Platformteam of 62acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
BrexBusiness accounts, corporate cards, and spend management software.team of 1k68 open rolesYC W17·Acquired·AI | AI | Acquired | YCW17 |
MidshipAI for SOX testingacquiredteam of 3YC S24·Acquired·AI | AI | Acquired | YCS24 |
TrieveAll-in-one API for search, RAG, & recommendationsteam of 7acquiredYC W24·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW24 |
PlayAIOur mission is to make Voice AI accessible and useful to all.team of 35acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
ThymeThe OS for financial advisorsacquiredteam of 2YC S24·Acquired·AI | AI | Acquired | YCS24 |
RiderModern parcel delivery for online sellers in Pakistan.team of 180acquiredYC W22·Acquired·AI | AI | Acquired | YCW22 |
FernInstantly offer SDKs and API Docsteam of 30acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
LuciteSupercharging Insurance Brokers & Advisorsacquiredteam of 4YC W24·Acquired·AI | AI | Acquired | YCW24 |
CatamaranA regulated marketplace and analytics platform where investors buy…team of 11acquiredYC S23·Acquired·AI, Data | AI, Data | Acquired | YCS23 |
SpeckAI Notetaker that automates all your admin workacquiredteam of 3YC W24·Acquired·AI | AI | Acquired | YCW24 |
Verse TherapyConnecting All Ages with Speech Language Pathologistsacquiredteam of 3YC W24·Acquired·AI | AI | Acquired | YCW24 |
VersoriAgentic integrations & automations for enterpriseteam of 16acquiredYC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
Deasy LabsMetadata for GenAI workflowsteam of 8acquiredYC S23·Acquired·AI, Data | AI, Data | Acquired | YCS23 |
Sohar HealthAI-powered insurance verification to boost patient conversion.team of 8acquiredYC S23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCS23 |
PachydermData Versioning, Data Pipelines, and Data Lineage6.3k starsteam of 60YC W15·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW15 |
SarusUse personal data for analytics and ML, safely and seamlesslyteam of 16acquiredYC W22 +1·Acquired·AI, Data | AI, Data | Acquired | YC +1W22 |
MochaBuild and publish web apps in minutes. No coding required.team of 7acquiredYC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |
SkyLinkTravel Management Meets AIteam of 53acquiredYC W22·Acquired·AI | AI | Acquired | YCW22 |
AlteryaProtecting Humans from Scamsteam of 30acquiredYC S22·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS22 |
TigerEyeAI for Constructionteam of 30acquiredYC S22·Acquired·AI | AI | Acquired | YCS22 |
PulppoShopify for Real Estate Agents in LATAMteam of 29acquiredYC S22·Acquired·AI | AI | Acquired | YCS22 |
| AArcaneAIacquiredteam of 2YC W24·Acquired·AI | AI | Acquired | YCW24 |
Browser BuddyA recommendation system for the Internetacquiredteam of 2YC W24·Acquired·AI | AI | Acquired | YCW24 |
FocalAI video creation tool for TV shows and moviesacquiredteam of 2YC W24·Acquired·AI | AI | Acquired | YCW24 |
LumetricThe AI Analyst For Deal Teamsacquiredteam of 2YC W24·Acquired·AI | AI | Acquired | YCW24 |
ResonanceSelf-improving content bank for marketingacquiredteam of 2YC W24·Acquired·AI | AI | Acquired | YCW24 |
OpenPipeTurn expensive prompts into cheap fine-tuned modelsacquired by CoreWeaveteam of 2YC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |
TruvaSell more. Grind less with AI agents.team of 23acquiredYC S22·Acquired·AI | AI | Acquired | YCS22 |
Monterey AITurn user feedback to product insightsteam of 6acquiredYC S22 +1·Acquired·AI, Devtools | AI, Devtools | Acquired | YC +1S22 |
HeapCaptures user interactions with no code to generate analytics.team of 388YC top companyYC W13 +1·Acquired·Data | Data | Acquired | YC +1W13 |
SpeechlyNatural Language Understanding API for Speech that runs on deviceteam of 10acquiredYC W22 +1·Acquired·AI, Devtools | AI, Devtools | Acquired | YC +1W22 |
TraceloopKnow what your LLM is doing, and why it’s failingteam of 9acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
highlight.ioThe open source, fullstack monitoring platform: stop guessing why…team of 8acquiredYC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
BenchmarkDecision infrastructure for investment firmsteam of 7acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
OpenMeterUsage Metering, AI & API Monetizationteam of 7acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
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 |
PincitesClose deals faster with AI for contract negotiationacquiredteam of 4YC S23·Acquired·AI | AI | Acquired | YCS23 |
SegmentSoftware and APIs to collect, clean, and control customer data.team of 550YC top companyYC S11·Acquired·Data | Data | Acquired | YCS11 |
ArcBanking & Funding for Startupsteam of 30acquiredYC W22·Acquired·AI | AI | Acquired | YCW22 |
BluebirdsAutomate outbound with signalsteam of 6acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
EzDubsReal-time speech translationteam of 6acquiredYC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
FintoolFinancial copilot for institutional investorsteam of 6acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
Watto AIAI-powered McKinsey-quality reports in secondsacquiredteam of 3YC S23·Acquired·AI | AI | Acquired | YCS23 |
XeolClose your outdated dependency attack vectoracquiredteam of 3YC S23·Acquired·AI | AI | Acquired | YCS23 |
FathomThe most flexible AI meeting notetaker ever built.team of 95acquiredYC W21·Acquired·AI | AI | Acquired | YCW21 |
ZumaWe help businesses convert leads into sales in minutes using textteam of 50acquiredYC S21·Acquired·AI | AI | Acquired | YCS21 |
| HHomeRoomWe Rent Your Property by the Room. You earn 50% more Rent.team of 25acquiredYC W22·Acquired·AI, Data | AI, Data | Acquired | YCW22 |
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 |
MulliganAI automation for insurance brokeragesteam of 5acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
No CapAI startup investor, No Capteam of 5acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
OfOneAI-powered order taker for restaurant drive-thrusteam of 5acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
Rally TaxAI-native tax platform to save $1T+ for Americansteam of 5acquiredYC W23·Acquired·AI | AI | Acquired | YCW23 |
ContinuePioneering open-source coding agentacquired by Cursoron 3 Glyph sourcesYC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |
CruiseSelf-driving cars.team of 3kYC top companyYC W14·Acquired·AI | AI | Acquired | YCW14 |
OptimizelyThe first all-in-one operating system for marketingteam of 1.5kYC top companyYC W10·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW10 |
HerokuEnabling developers to build and run applications in the cloud.team of 300YC top companyYC W08·Acquired·Devtools | Devtools | Acquired | YCW08 |
DrChronoThe essential platform for modern medical practices and patients.team of 150YC top companyYC W11 +1·Acquired·Devtools | Devtools | Acquired | YC +1W11 |
RequestlyOpen-Source Postman alternativeteam of 19acquiredYC W22·Acquired·Devtools | Devtools | Acquired | YCW22 |
AutotabAI agents reliable enough to do real workacquiredteam of 2YC S23·Acquired·AI | AI | Acquired | YCS23 |
ChatterDead simple LLM testing and iterationacquiredteam of 2YC S23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS23 |
FragmentTurn manual operations into scalable processesacquiredteam of 2YC S23·Acquired·AI | AI | Acquired | YCS23 |
InariYour junior AI product manageracquiredteam of 2YC S23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCS23 |
PeerDBFast, native ETL for Postgres 🐘 🚀acquiredteam of 2YC S23·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS23 |
TremorThe UI toolkit for Dashboardsacquiredteam of 2YC S23·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS23 |
BrewitConversational data analytics for every teamacquiredteam of 4YC W23·Acquired·AI, Data | AI, Data | Acquired | YCW23 |
OpenIntOpen Source Embedded Product Integrationsacquiredteam of 4YC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
OuterbaseThe interface for your databaseacquiredteam of 4YC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
TrigoRent verification API for landlords and lendersacquiredteam of 4YC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
DyteReal-time audio & video SDKs, ready to launch 🚀team of 45acquiredYC W21·Acquired·Devtools | Devtools | Acquired | YCW21 |
VerakBetter Business Insurance for MSMEs in Indiateam of 45acquiredYC W21·Acquired·AI | AI | Acquired | YCW21 |
PowerXAI powered sensors that save energy, water and emissionsteam of 20acquiredYC W20 +1·Acquired·AI | AI | Acquired | YC +1W20 |
UnthreadAI helpdesk built for Slack & Teamsteam of 7acquiredYC S22·Acquired·AI | AI | Acquired | YCS22 |
Booth AIGenerative AI Photographer for E-Commerceacquiredteam of 3YC W23·Acquired·AI | AI | Acquired | YCW23 |
CardinalYour AI product backlogacquiredteam of 3YC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
Fairway HealthAI Co-Pilot for Health Insurers to Authorize Treatment Fasteracquiredteam of 3YC W23·Acquired·AI | AI | Acquired | YCW23 |
VocodeOpen source Voice AIacquiredteam of 3YC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
FirebaseBuild and grow iOS, Android, and Web apps.team of 500acquiredYC S11·Acquired·Devtools | Devtools | Acquired | YCS11 |
MetaplaneData observability for modern data teamsteam of 32acquired by DatadogYC W20·Acquired·Data, Devtools | Data, Devtools | Acquired | YCW20 |
Breadcrumbs.ioNo-code scoring engine identifying your most engaged upsell oppsteam of 20acquiredYC S21·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS21 |
HOAiAI agent for community managementteam of 10acquiredYC W22·Acquired·AI | AI | Acquired | YCW22 |
TaroHelp high-growth tech companies hire strong engineersteam of 6acquiredYC S22·Acquired·Devtools | Devtools | Acquired | YCS22 |
UnbabelAI-powered Language Operations platformteam of 350acquiredYC W14·Acquired·AI | AI | Acquired | YCW14 |
CoreOSOpen source tools of modern distributed systems.team of 150YC top companyYC S13·Acquired·Devtools | Devtools | Acquired | YCS13 |
Warmly,[Acquired by HubSpot in 2026] Autonomous sales platform to auto-email…team of 60acquiredYC S20·Acquired·AI | AI | Acquired | YCS20 |
ArroyoCloud-native stream processingacquiredteam of 2YC W23·Acquired·Devtools | Devtools | Acquired | YCW23 |
DAGWorks Inc.Open source tools & services for reliable AI Agents & AI Applicationsacquiredteam of 2YC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
DashdiveBreak down AI and cloud costs by feature and customeracquiredteam of 2YC W23·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW23 |
Muffin DataModern analytics for CPG brandsacquiredteam of 2YC W23·Acquired·Data | Data | Acquired | YCW23 |
Persana AISales Agents with 100+ data sources to close more dealsacquiredteam of 2YC W23·Acquired·AI | AI | Acquired | YCW23 |
Pledge HealthAI RCM assistant that handles any insurance task on payer portals for…acquiredteam of 2YC W23·Acquired·AI | AI | Acquired | YCW23 |