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	125,151
	Supabase	S20	API	Website	supabase/supabase	77,289
	Font Awesome	S15	API	Website	FortAwesome/Font-Awesome	74,635
	FlowiseAI	S23	API	Website	FlowiseAI/Flowise	35,021
	Reworkd	S23	API	Website	reworkd/AgentGPT	32,814
	Payload	S22	API	Website	payloadcms/payload	32,200
	Mattermost	S12	API	Website	mattermost/mattermost	31,606
	refine	S23	API	Website	refinedev/refine	29,808
	InfluxData	W13	API	Website	influxdata/influxdb	29,469
	MindsDB	W20	API	Website	mindsdb/mindsdb	27,187
	RethinkDB	S09	API	Website	rethinkdb/rethinkdb	26,844
	Khoj	S23	API	Website	khoj-ai/khoj	26,056
	Twenty	S23	API	Website	twentyhq/twenty	25,228
	PostHog	W20	API	Website	PostHog/posthog	24,171
	GitLab	W15	API	Website	gitlabhq/gitlabhq	23,896
	Continue	S23	API	Website	continuedev/continue	23,077
	Sails Co.	W15	API	Website	balderdashy/sails	22,877
	SST	W21	API	Website	sst/sst	22,828
	Chatwoot	W21	API	Website	chatwoot/chatwoot	22,302
	Reflex	W23	API	Website	reflex-dev/reflex	21,605
	SigNoz	W21	API	Website	SigNoz/signoz	20,584
	Apollo	S11	API	Website	apollographql/apollo-client	19,460
	Wasmer	S19	API	Website	wasmerio/wasmer	19,339
	Airbyte	W20	API	Website	airbytehq/airbyte	17,205
	Million	W24	API	Website	aidenybai/million	16,902
	Infisical	W23	API	Website	Infisical/infisical	16,756
	QuestDB	S20	API	Website	questdb/questdb	14,882
	SuperTokens	S20	API	Website	supertokens/supertokens-core	13,814
	Skyvern	S23	API	Website	Skyvern-AI/skyvern	12,058
	Windmill	S22	API	Website	windmill-labs/windmill	11,954
	KeyDB	S20	API	Website	Snapchat/KeyDB	11,746
	Activepieces	S22	API	Website	activepieces/activepieces	11,408
	Citus Data	S11	API	Website	citusdata/citus	10,993
	Pyroscope	W21	API	Website	grafana/pyroscope	10,296
	Trigger.dev	W23	API	Website	triggerdotdev/trigger.dev	10,203
	OpenReplay	S19	API	Website	openreplay/openreplay	9,821
	Keep	W23	API	Website	keephq/keep	9,232
	Langfuse	W23	API	Website	langfuse/langfuse	8,450
	Activeloop	S18	API	Website	activeloopai/deeplake	8,355
	Ragas	W24	API	Website	explodinggradients/ragas	8,112
	highlight.io	W23	API	Website	highlight/highlight	7,951
	Webiny	W21	API	Website	webiny/webiny-js	7,501
	HyperDX	S22	API	Website	hyperdxio/hyperdx	7,414
	Lago	S21	API	Website	getlago/lago	7,330
	Firezone	W22	API	Website	firezone/firezone	7,027
	ParadeDB	S23	API	Website	paradedb/paradedb	6,684
	GrowthBook	W22	API	Website	growthbook/growthbook	6,354
	Shuttle	S20	API	Website	shuttle-hq/shuttle	6,293
	Evidently AI	S21	API	Website	evidentlyai/evidently	5,690
	Traceloop	W23	API	Website	traceloop/openllmetry	5,395
	authzed	W21	API	Website	authzed/spicedb	5,373
	Docker	S10	API	Website	docker/cli	5,083
	Nango	W23	API	Website	NangoHQ/nango	5,004
	Hatchet	W24	API	Website	hatchet-dev/hatchet	4,546
	Lightdash	S20	API	Website	lightdash/lightdash	4,401
	Arroyo	W23	API	Website	ArroyoSystems/arroyo	3,958
	Defog.ai	W23	API	Website	defog-ai/sqlcoder	3,543
	Okteto	W19	API	Website	okteto/okteto	3,307
	Helicone	W23	API	Website	Helicone/helicone	3,180
	Vocode	W23	API	Website	vocodedev/vocode-core	3,140
	Glasskube	S24	API	Website	glasskube/glasskube	3,136
	Requestly	W22	API	Website	requestly/requestly	3,088
	moonrepo	W23	API	Website	moonrepo/moon	3,047
	Revideo	S23	API	Website	redotvideo/revideo	3,046
	Rivet	W23	API	Website	rivet-gg/rivet	2,984
	Fern	W23	API	Website	fern-api/fern	2,833
	PipelineDB	W14	API	Website	pipelinedb/pipelinedb	2,639
	Svix	W21	API	Website	svix/svix-webhooks	2,546
	Convoy	W22	API	Website	frain-dev/convoy	2,543
	OpenPipe	S23	API	Website	OpenPipe/OpenPipe	2,538
	PeerDB	S23	API	Website	PeerDB-io/peerdb	2,375
	Laudspeaker	W21	API	Website	laudspeaker/laudspeaker	2,290
	Dittofeed	S22	API	Website	dittofeed/dittofeed	2,131
	Ballerine	S22	API	Website	ballerine-io/ballerine	2,127
	Pretzel AI	W24	API	Website	pretzelai/pretzelai	2,067
	DAGWorks Inc.	W23	API	Website	DAGWorks-Inc/hamilton	2,020
	Elementary	W22	API	Website	elementary-data/elementary	1,991
	Trieve	W24	API	Website	devflowinc/trieve	1,898
	Lotus	S22	API	Website	uselotus/lotus	1,745
	TableFlow	W23	API	Website	tableflowhq/csv-import	1,717
	Matano	W23	API	Website	matanolabs/matano	1,504
	Medplum	S22	API	Website	medplum/medplum	1,502
	SSOReady	W24	API	Website	ssoready/ssoready	1,366
	RecipeUI	S23	API	Website	RecipeUI/RecipeUI	1,352
	Patched	S24	API	Website	patched-codes/patchwork	1,234
	Warrant	S21	API	Website	warrant-dev/warrant	1,210
	Lantern	W24	API	Website	lanterndata/lantern	825
	Artie	S23	API	Website	artie-labs/transfer	629
	Tensil	S19	API	Website	tensil-ai/tensil	370
	Monosi	S20	API	Website	monosidev/monosi	322
	OpenFoundry	W24	API	Website	openfoundry-ai/model_manager	318
	Grai	S22	API	Website	grai-io/grai-core	301
	Embrace	S19	API	Website	embrace-io/embrace-android-sdk	153
	nCompass Technologies	W24	API	Website	nCompass-tech/nCompass	66
	Common Paper	W23	API	Website	CommonPaper/Mutual-NDA	34
	Infracost	W21	API	Website	infracost/infracost-azure-devops	34
	Enso	S21	API	Website	enso-org/hiring	27
	Alokai	W21	API	Website
	Artillery	S21	API	Website
	AXAR AI	W21	API	Website
	Beam	W22	API	Website
	bloop	S21	API	Website
	BotCity	W22	API	Website
	Browser Use	W25	API	Website
	Chaos Genius	W20	API	Website
	Chunkr	W24	API	Website
	CodeStream	W18	API	Website
	Confident AI	W25	API	Website
	CoreOS	S13	API	Website
	CustomerOS	S22	API	Website
	Daily	W16	API	Website
	Data Mechanics	S19	API	Website
	Fig	S20	API	Website
	Firecrawl	S22	API	Website
	Formance	S21	API	Website
	Freestyle	S24	API	Website
	Gauge	S24	API	Website
	Hydra	W22	API	Website
	Integuru	W24	API	Website
	Jitsu	S20	API	Website
	Lamin	S22	API	Website
	Lingo.dev	F24	API	Website
	LunaSec	S19	API	Website
	Lunatic	W21	API	Website
	Mastra	W25	API	Website
	Mem0	S24	API	Website
	Mentra	W25	API	Website
	Mintplex Labs	S22	API	Website
	Mito	S20	API	Website
	Netmaker	W22	API	Website
	Onlook	W25	API	Website
	Onyx	W24	API	Website
	Openbase	S20	API	Website
	OpenInt	W23	API	Website
	Opslane	S24	API	Website
	Optic	S18	API	Website
	Pipekit	S21	API	Website
	Protocol Labs	S14	API	Website
	PySpur.dev	W24	API	Website
	Random Labs	S24	API	Website
	Replicate	W20	API	Website
	Stackup	S22	API	Website
	Standard Cyborg	W15	API	Website
	Structured	S23	API	Website
	SubImage	W25	API	Website
	superglue	W25	API	Website
	Tipe	W18	API	Website
	Tiptap	S23	API	Website
	Tracecat	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