EnsoSelf-Service Data Prep and Blend Built for Data Teams.team of 20YC S21·Active·Data, Devtools | Data, Devtools | Active | YCS21 |
PorterEasiest way to deploy on AWS/GCP/Azureteam of 18hiringYC S20·Active·Devtools | Devtools | Active | YCS20 |
ElementaryOpen-source data observability for data teamsteam of 12YC W22·Active·Data, Devtools | Data, Devtools | Active | YCW22 |
SvixEnterprise ready webhooks service, open-source and in the cloudteam of 12hiringYC W21·Active·Devtools | Devtools | Active | YCW21 |
DeepSourceUnified DevSecOps platform, helping developers ship good code.team of 12acquiredYC W20·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW20 |
CognitoFrictionless, modern identity verification that starts with just a…YC top companyteam of 12YC S14·Acquired·Devtools | Devtools | Acquired | YCS14 |
Chaos GeniusDataOps Observability Platform for Snowflaketeam of 10acquiredYC W20·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW20 |
AnchorEmbedded finance platform for African businessesteam of 8YC S22·Active·Devtools | Devtools | Active | YCS22 |
MagnaPlayAI-powered game translation.team of 5YC W23·Active·AI, Devtools | AI, Devtools | Active | YCW23 |
SpecCheckUnifying how the optical industry does business.team of 5YC W23·Active·Devtools | Devtools | Active | YCW23 |
ZeroDevAccount abstraction wallets as a serviceteam of 5YC W23·Active·Devtools | Devtools | Active | YCW23 |
BeamAI-Native Cloud Platformteam of 5hiringYC W22·Active·AI, Devtools | AI, Devtools | Active | YCW22 |
PropelAuthTeam-based authentication for B2B SaaSteam of 5hiringYC W22·Active·Devtools | Devtools | Active | YCW22 |
FrizAI Social Media Manageracquiredteam of 4YC W21·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW21 |
AutomorphicInfuse knowledge into language models with just 10 samplesteam of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
COREYour AI butler that understands you really well and proactively acts…team of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
HarnessRouterThe world's first unified interface for agent harnesses.team of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
OpenToolsThe API for LLM tool useteam of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
TalcEvent extraction for Medical Researchersteam of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
Terracotta AIAI-powered Infrastructure as Code PR reviewsteam of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
TrainyInfrastructure for managing GPU clusters for training/serving.team of 3YC S23·Active·AI, Devtools | AI, Devtools | Active | YCS23 |
Zelos CloudThe Data Platform for Mission‑Critical Systemsteam of 3YC S23·Active·Data, Devtools | Data, Devtools | Active | YCS23 |
PolyIntelligent Personal Cloud Storageteam of 3hiringYC S22·Active·AI, Devtools | AI, Devtools | Active | YCS22 |
BytebotBytebot is the open source container for AI desktop agents.acquiredteam of 3YC S21·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS21 |
WarrantAuthorization and access control as a service.acquiredteam of 3YC S21·Acquired·Devtools | Devtools | Acquired | YCS21 |
FirebenderMost powerful coding agent for Android engineershiringYC W24·Active·AI, Devtools | AI, Devtools | Active | YCW24 |
ReworkdThe simplest way to extract web data at scale2 programsYC S23 +1·Active·AI, Devtools | AI, Devtools | Active | YC +1S23 |
Lucidic AIReimagining how Machines LearnYC W25·Active·AI, Devtools | AI, Devtools | Active | YCW25 |
TracecatOpen-source agentic security automation platformhiringYC W24·Active·AI, Devtools | AI, Devtools | Active | YCW24 |
MezmoObservability platform to control all of your log datateam of 172YC W15·Active·Data, Devtools | Data, Devtools | Active | YCW15 |
ZeplinDeliver on the Promise of Designteam of 140YC S15·Active·Devtools | Devtools | Active | YCS15 |
Protocol LabsProtocol Labs makes internet protocols: IPFS, Filecoin, and more.team of 130YC S14·Active·Devtools | Devtools | Active | YCS14 |
Veryfi, Inc.Document AI. One API Call.team of 70hiringYC W17·Active·AI, Devtools | AI, Devtools | Active | YCW17 |
AssemblyAIThe best way to build Voice AI appsteam of 65hiringYC S17·Active·AI, Devtools | AI, Devtools | Active | YCS17 |
DuffelThe complete toolkit to sell travel.team of 55hiringYC S18·Active·Devtools | Devtools | Active | YCS18 |
| AAptibleThe No Infrastructure Platform as a Serviceteam of 25acquiredYC S14·Acquired·Devtools | Devtools | Acquired | YCS14 |
OpenCodeThe open source AI coding agentteam of 24YC W21·Active·AI, Devtools | AI, Devtools | Active | YCW21 |
SigOptSigOpt is an Optimization-as-a-Service platform that seamlessly tunes…team of 23acquiredYC W15·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW15 |
HandoffAI estimator & agent for remodelers.team of 20hiringYC W20·Active·AI, Devtools | AI, Devtools | Active | YCW20 |
AbstraAutomate finance operations with AIteam of 18YC S21·Active·AI, Devtools | AI, Devtools | Active | YCS21 |
Buró de IngresosThe Work Number for LatAmteam of 17YC S21·Active·Devtools | Devtools | Active | YCS21 |
PopSQLSQL editor for teamsteam of 15acquiredYC S19·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS19 |
BunBun is an incredibly fast all-in-one JavaScript toolkitteam of 13acquiredYC S19·Acquired·Devtools | Devtools | Acquired | YCS19 |
ArgoA social streaming platform powered by creators and fansteam of 10YC W22·Active·Devtools | Devtools | Active | YCW22 |
PokoSeamless Fiat Payments for Web3team of 10YC W22·Active·Devtools | Devtools | Active | YCW22 |
VimmerseBring your photos to life with Vimmerseteam of 10YC W22·Active·AI, Devtools | AI, Devtools | Active | YCW22 |
BrainboardVisually design and manage cloud infrastructures.team of 9YC W22·Active·Devtools | Devtools | Active | YCW22 |
EmobiA single point integration for secure and automated EV charging.team of 9YC W22·Active·AI, Devtools | AI, Devtools | Active | YCW22 |
RowndFully autonomous defense solutions for the global edge.team of 9YC W22·Active·AI, Devtools | AI, Devtools | Active | YCW22 |
WeavWeav is the universal API for commerce platformsteam of 9acquiredYC W20·Acquired·Devtools | Devtools | Acquired | YCW20 |
AviatorGoogle-level engineering productivity suiteteam of 6hiringYC S21·Active·Devtools | Devtools | Active | YCS21 |
EvidenceBusiness intelligence as codeteam of 6hiringYC S21·Active·Data, Devtools | Data, Devtools | Active | YCS21 |
ReflectNo-code test automation for web appsteam of 6acquiredYC S20·Acquired·Devtools | Devtools | Acquired | YCS20 |
DataSuiteDataset Management for AI Trainersteam of 4YC W23·Active·AI, Devtools | AI, Devtools | Active | YCW23 |
FrigadeAI-powered product assistance for modern software teamsteam of 4YC W23·Active·AI, Devtools | AI, Devtools | Active | YCW23 |
PortalformBuild and host internal toolsteam of 4YC W23·Active·Devtools | Devtools | Active | YCW23 |
LaudspeakerOpen source mobile marketing platform. Alternative to appcues /…acquiredteam of 3YC W21·Acquired·Devtools | Devtools | Acquired | YCW21 |
DollhouseInteractive AI showsSPC 2025·Not stated·AI, Devtools | AI, Devtools | Not stated | SPC2025 |
FlamecastThe gateway for AI agentsSPC 2025·Not stated·AI, Devtools | AI, Devtools | Not stated | SPC2025 |
| MMaxinsightsTraining data for physical AISPC 2025·Not stated·AI, Devtools | AI, Devtools | Not stated | SPC2025 |