Open source startups funded by Y Combinator

This repository contains a list of open source startups funded by Y Combinator that have publicly launched on the Y Combinator website. It is sourced from yc-oss.github.io/api/tags/open-source.json.

In the near future, we will include the link to their repositories.

FAQs

How can I get my company listed here?

The companies listed on this page are:

• Funded by Y Combinator
• Publicly launched and listed on the YC website
• Have the "Open source" tag attached to their company

If you have all the above conditions met, your company should be listed here. This data is updated every day.

Companies

Logo	Company	Batch	API	Website	Repo	Stars
	Ollama	W21	API	Website	ollama/ollama	89,841
	Font Awesome	S15	API	Website	FortAwesome/Font-Awesome	73,526
	Supabase	S20	API	Website	supabase/supabase	71,741
	Reworkd	S23	API	Website	reworkd/AgentGPT	31,376
	Mattermost	S12	API	Website	mattermost/mattermost	30,134
	FlowiseAI	S23	API	Website	FlowiseAI/Flowise	29,924
	InfluxData	W13	API	Website	influxdata/influxdb	28,649
	refine	S23	API	Website	refinedev/refine	27,468
	RethinkDB	S09	API	Website	rethinkdb/rethinkdb	26,714
	MindsDB	W20	API	Website	mindsdb/mindsdb	26,262
	GitLab	W15	API	Website	gitlabhq/gitlabhq	23,737
	Payload	S22	API	Website	payloadcms/payload	23,362
	Sails Co.	W15	API	Website	balderdashy/sails	22,822
	SST	W21	API	Website	sst/sst	21,389
	PostHog	W20	API	Website	PostHog/posthog	20,797
	Chatwoot	W21	API	Website	chatwoot/chatwoot	20,499
	Apollo	S11	API	Website	apollographql/apollo-client	19,332
	Reflex	W23	API	Website	reflex-dev/reflex	19,240
	SigNoz	W21	API	Website	SigNoz/signoz	18,528
	Wasmer	S19	API	Website	wasmerio/wasmer	18,464
	Million	W24	API	Website	aidenybai/million	16,214
	Continue	S23	API	Website	continuedev/continue	16,074
	Twenty	S23	API	Website	twentyhq/twenty	15,837
	Airbyte	W20	API	Website	airbytehq/airbyte	15,514
	Infisical	W23	API	Website	Infisical/infisical	15,078
	QuestDB	S20	API	Website	questdb/questdb	14,352
	SuperTokens	S20	API	Website	supertokens/supertokens-core	12,689
	Khoj	S23	API	Website	khoj-ai/khoj	12,614
	KeyDB	S20	API	Website	Snapchat/KeyDB	11,286
	Vue Storefront	W21	API	Website	vuestorefront/vue-storefront	10,579
	Citus Data	S11	API	Website	citusdata/citus	10,393
	Pyroscope	W21	API	Website	grafana/pyroscope	9,903
	Windmill	S22	API	Website	windmill-labs/windmill	9,657
	Activepieces	S22	API	Website	activepieces/activepieces	9,377
	OpenReplay	S19	API	Website	openreplay/openreplay	9,334
	Trigger.dev	W23	API	Website	triggerdotdev/trigger.dev	8,595
	Activeloop	S18	API	Website	activeloopai/deeplake	8,052
	highlight.io	W23	API	Website	highlight/highlight	7,464
	Webiny	W21	API	Website	webiny/webiny-js	7,307
	Lago	S21	API	Website	getlago/lago	6,862
	Firezone	W22	API	Website	firezone/firezone	6,710
	Ragas	W24	API	Website	explodinggradients/ragas	6,601
	HyperDX	S22	API	Website	hyperdxio/hyperdx	6,561
	GrowthBook	W22	API	Website	growthbook/growthbook	6,019
	Shuttle	S20	API	Website	shuttle-hq/shuttle	5,983
	ParadeDB	S23	API	Website	paradedb/paradedb	5,846
	Skyvern	S23	API	Website	Skyvern-AI/skyvern	5,790
	Langfuse	W23	API	Website	langfuse/langfuse	5,657
	Evidently AI	S21	API	Website	evidentlyai/evidently	5,147
	authzed	W21	API	Website	authzed/spicedb	4,951
	Docker	S10	API	Website	docker/cli	4,847
	Nango	W23	API	Website	NangoHQ/nango	4,526
	Hatchet	W24	API	Website	hatchet-dev/hatchet	4,063
	Lightdash	S20	API	Website	lightdash/lightdash	3,757
	Arroyo	W23	API	Website	ArroyoSystems/arroyo	3,634
	Defog.ai	W23	API	Website	defog-ai/sqlcoder	3,295
	Okteto	W19	API	Website	okteto/okteto	3,241
	Keep	W23	API	Website	keephq/keep	3,216
	Stack Auth	S24	API	Website	stack-auth/stack	3,174
	Glasskube	S24	API	Website	glasskube/glasskube	2,878
	moonrepo	W23	API	Website	moonrepo/moon	2,819
	Vocode	W23	API	Website	vocodedev/vocode-core	2,786
	PipelineDB	W14	API	Website	pipelinedb/pipelinedb	2,632
	Fern	W23	API	Website	fern-api/fern	2,588
	OpenPipe	S23	API	Website	OpenPipe/OpenPipe	2,472
	Convoy	W22	API	Website	frain-dev/convoy	2,446
	Requestly	W22	API	Website	requestly/requestly	2,362
	Revideo	S23	API	Website	redotvideo/revideo	2,345
	Svix	W21	API	Website	svix/svix-webhooks	2,291
	UpTrain AI	W23	API	Website	uptrain-ai/uptrain	2,175
	PeerDB	S23	API	Website	PeerDB-io/peerdb	2,152
	Laudspeaker	W21	API	Website	laudspeaker/laudspeaker	2,109
	Ballerine	S22	API	Website	ballerine-io/ballerine	2,044
	Rivet	W23	API	Website	rivet-gg/rivet	2,005
	Pretzel AI	W24	API	Website	pretzelai/pretzelai	1,962
	Srcbook	S23	API	Website	srcbookdev/srcbook	1,934
	Elementary	W22	API	Website	elementary-data/elementary	1,893
	Traceloop	W23	API	Website	traceloop/openllmetry	1,850
	DAGWorks Inc.	W23	API	Website	DAGWorks-Inc/hamilton	1,731
	Helicone	W23	API	Website	Helicone/helicone	1,712
	Lotus	S22	API	Website	uselotus/lotus	1,712
	TableFlow	W23	API	Website	tableflowhq/csv-import	1,681
	Metlo	S21	API	Website	metlo-labs/metlo	1,601
	Matano	W23	API	Website	matanolabs/matano	1,447
	Trieve	W24	API	Website	devflowinc/trieve	1,382
	Medplum	S22	API	Website	medplum/medplum	1,351
	RecipeUI	S23	API	Website	RecipeUI/RecipeUI	1,339
	Dittofeed	S22	API	Website	dittofeed/dittofeed	1,257
	SSOReady	W24	API	Website	ssoready/ssoready	1,161
	Warrant	S21	API	Website	warrant-dev/warrant	1,117
	Patched	S24	API	Website	patched-codes/patchwork	870
	Lantern	W24	API	Website	lanterndata/lantern	746
	Panora	S24	API	Website	panoratech/panora	596
	Artie	S23	API	Website	artie-labs/transfer	588
	Ocular AI	W24	API	Website	OcularEngineering/ocular	453
	Noya Software	W23	API	Website	noya-app/noya	437
	Ionworks	S24	API	Website	ionworks/how-to-debug-your-battery	402
	Tensil	S19	API	Website	tensil-ai/tensil	354
	Monosi	S20	API	Website	monosidev/monosi	320
	Grai	S22	API	Website	grai-io/grai-core	288
	OpenFoundry	W24	API	Website	openfoundry-ai/model_manager	282
	Embrace	S19	API	Website	embrace-io/embrace-android-sdk	132
	Evefan	W23	API	Website	evefancom/evefan	111
	nCompass Technologies	W24	API	Website	nCompass-tech/nCompass	66
	Common Paper	W23	API	Website	CommonPaper/Mutual-NDA	33
	Infracost	W21	API	Website	infracost/infracost-azure-devops	30
	Enso	S21	API	Website	enso-org/hiring	27
	Artillery	S21	API	Website
	Beam	W22	API	Website
	bloop	S21	API	Website
	BotCity	W22	API	Website
	Chaos Genius	W20	API	Website
	CodeStream	W18	API	Website
	CoreOS	S13	API	Website
	CustomerOS	S22	API	Website
	Danswer	W24	API	Website
	Data Mechanics	S19	API	Website
	Fig	S20	API	Website
	Formance	S21	API	Website
	Freestyle	S24	API	Website
	Frigade	W23	API	Website
	Gauge	S24	API	Website
	Hydra	W22	API	Website
	Jitsu	S20	API	Website
	Lamin	S22	API	Website
	LunaSec	S19	API	Website
	Lunatic	W21	API	Website
	Mem0	S24	API	Website
	Mintplex Labs	S22	API	Website
	Mito	S20	API	Website
	Netmaker	W22	API	Website
	Openbase	S20	API	Website
	Opslane	S24	API	Website
	Optic	S18	API	Website
	Pipekit	S21	API	Website
	Protocol Labs	S14	API	Website
	Quack AI	S23	API	Website
	Random Labs	S24	API	Website
	Replicate	W20	API	Website
	Stackup	S22	API	Website
	Standard Cyborg	W15	API	Website
	Tipe	W18	API	Website
	Tiptap	S23	API	Website
	Titan	W24	API	Website
	Trainy	S23	API	Website
	Ukama	S20	API	Website
	Unsloth AI	S24	API	Website
	Wasp	W21	API	Website
	Zenbase AI	S24	API	Website