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	123,372
	Supabase	S20	API	Website	supabase/supabase	77,136
	Font Awesome	S15	API	Website	FortAwesome/Font-Awesome	74,616
	FlowiseAI	S23	API	Website	FlowiseAI/Flowise	34,882
	Reworkd	S23	API	Website	reworkd/AgentGPT	32,768
	Payload	S22	API	Website	payloadcms/payload	32,091
	Mattermost	S12	API	Website	mattermost/mattermost	31,565
	refine	S23	API	Website	refinedev/refine	29,760
	InfluxData	W13	API	Website	influxdata/influxdb	29,449
	MindsDB	W20	API	Website	mindsdb/mindsdb	27,172
	RethinkDB	S09	API	Website	rethinkdb/rethinkdb	26,845
	Khoj	S23	API	Website	khoj-ai/khoj	26,009
	Twenty	S23	API	Website	twentyhq/twenty	25,165
	PostHog	W20	API	Website	PostHog/posthog	24,098
	GitLab	W15	API	Website	gitlabhq/gitlabhq	23,891
	Sails Co.	W15	API	Website	balderdashy/sails	22,877
	Continue	S23	API	Website	continuedev/continue	22,871
	SST	W21	API	Website	sst/sst	22,804
	Chatwoot	W21	API	Website	chatwoot/chatwoot	22,250
	Reflex	W23	API	Website	reflex-dev/reflex	21,588
	SigNoz	W21	API	Website	SigNoz/signoz	20,538
	Apollo	S11	API	Website	apollographql/apollo-client	19,457
	Wasmer	S19	API	Website	wasmerio/wasmer	19,330
	Airbyte	W20	API	Website	airbytehq/airbyte	17,173
	Million	W24	API	Website	aidenybai/million	16,891
	Infisical	W23	API	Website	Infisical/infisical	16,723
	QuestDB	S20	API	Website	questdb/questdb	14,874
	SuperTokens	S20	API	Website	supertokens/supertokens-core	13,788
	Skyvern	S23	API	Website	Skyvern-AI/skyvern	11,985
	Windmill	S22	API	Website	windmill-labs/windmill	11,912
	KeyDB	S20	API	Website	Snapchat/KeyDB	11,717
	Activepieces	S22	API	Website	activepieces/activepieces	11,324
	Citus Data	S11	API	Website	citusdata/citus	10,955
	Pyroscope	W21	API	Website	grafana/pyroscope	10,293
	Trigger.dev	W23	API	Website	triggerdotdev/trigger.dev	10,181
	OpenReplay	S19	API	Website	openreplay/openreplay	9,817
	Keep	W23	API	Website	keephq/keep	9,220
	Langfuse	W23	API	Website	langfuse/langfuse	8,363
	Activeloop	S18	API	Website	activeloopai/deeplake	8,349
	Ragas	W24	API	Website	explodinggradients/ragas	8,081
	highlight.io	W23	API	Website	highlight/highlight	7,944
	Webiny	W21	API	Website	webiny/webiny-js	7,498
	HyperDX	S22	API	Website	hyperdxio/hyperdx	7,411
	Lago	S21	API	Website	getlago/lago	7,316
	Firezone	W22	API	Website	firezone/firezone	7,022
	ParadeDB	S23	API	Website	paradedb/paradedb	6,667
	GrowthBook	W22	API	Website	growthbook/growthbook	6,344
	Shuttle	S20	API	Website	shuttle-hq/shuttle	6,294
	Evidently AI	S21	API	Website	evidentlyai/evidently	5,683
	Traceloop	W23	API	Website	traceloop/openllmetry	5,379
	authzed	W21	API	Website	authzed/spicedb	5,373
	Docker	S10	API	Website	docker/cli	5,077
	Nango	W23	API	Website	NangoHQ/nango	4,996
	Hatchet	W24	API	Website	hatchet-dev/hatchet	4,534
	Lightdash	S20	API	Website	lightdash/lightdash	4,323
	Arroyo	W23	API	Website	ArroyoSystems/arroyo	3,950
	Defog.ai	W23	API	Website	defog-ai/sqlcoder	3,537
	Okteto	W19	API	Website	okteto/okteto	3,305
	Helicone	W23	API	Website	Helicone/helicone	3,164
	Glasskube	S24	API	Website	glasskube/glasskube	3,136
	Vocode	W23	API	Website	vocodedev/vocode-core	3,134
	Requestly	W22	API	Website	requestly/requestly	3,068
	moonrepo	W23	API	Website	moonrepo/moon	3,041
	Revideo	S23	API	Website	redotvideo/revideo	3,021
	Rivet	W23	API	Website	rivet-gg/rivet	2,977
	Fern	W23	API	Website	fern-api/fern	2,826
	PipelineDB	W14	API	Website	pipelinedb/pipelinedb	2,639
	Convoy	W22	API	Website	frain-dev/convoy	2,543
	Svix	W21	API	Website	svix/svix-webhooks	2,540
	OpenPipe	S23	API	Website	OpenPipe/OpenPipe	2,537
	PeerDB	S23	API	Website	PeerDB-io/peerdb	2,373
	Laudspeaker	W21	API	Website	laudspeaker/laudspeaker	2,287
	UpTrain AI	W23	API	Website	uptrain-ai/uptrain	2,239
	Ballerine	S22	API	Website	ballerine-io/ballerine	2,125
	Dittofeed	S22	API	Website	dittofeed/dittofeed	2,124
	Pretzel AI	W24	API	Website	pretzelai/pretzelai	2,065
	DAGWorks Inc.	W23	API	Website	DAGWorks-Inc/hamilton	2,015
	Elementary	W22	API	Website	elementary-data/elementary	1,990
	Trieve	W24	API	Website	devflowinc/trieve	1,891
	Lotus	S22	API	Website	uselotus/lotus	1,744
	TableFlow	W23	API	Website	tableflowhq/csv-import	1,716
	Matano	W23	API	Website	matanolabs/matano	1,504
	Medplum	S22	API	Website	medplum/medplum	1,499
	SSOReady	W24	API	Website	ssoready/ssoready	1,362
	RecipeUI	S23	API	Website	RecipeUI/RecipeUI	1,352
	Patched	S24	API	Website	patched-codes/patchwork	1,230
	Warrant	S21	API	Website	warrant-dev/warrant	1,207
	Lantern	W24	API	Website	lanterndata/lantern	824
	Artie	S23	API	Website	artie-labs/transfer	628
	Tensil	S19	API	Website	tensil-ai/tensil	369
	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