Y Combinator Startups

Startups funded by Y Combinator that have been publicly announced and still have functional websites.

270 of 5,116 sites · synced from the official YC API · rank is the average of Tranco, Majestic and Umbrella; Radar and CrUX shown for context · all 5 are flawed, that's the point. · tap a row for the breakdown

Notes:all

’05–’09S05 · W06 · S06 · W07 · S07 · W08 · S08 · W09 · S09

’10–’14W10 · S10 · W11 · S11 · W12 · S12 · W13 · S13 · W14 · S14

’15–’19W15 · S15 · W16 · S16 · W17 · S17 · W18 · S18 · W19 · S19

’20–’24W20 · S20 · W21 · S21 · W22 · S22 · W23 · S23 · W24 · S24 · F24

’25–’27W25 · S25 · F25 · W26 · S26 · F26 · W27

P25 · P26

W21 · 270 sites · ← all sites

270 sites, including 28 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

ollama.com10,299 avg · W21▼ 7810,2994,198top 5ktop 10k2,27124,428Sep 14

Tranco 4,198Radar top 5kCrUX top 10kMajestic 2,271Umbrella 24,428checked Sep 14

opencode.ai28,575 avg · W21▲ 1,34528,5759,045top 5ktop 10k11,96064,721Sep 14

Tranco 9,045Radar top 5kCrUX top 10kMajestic 11,960Umbrella 64,721checked Sep 14

clipdrop.co37,602 avg · W21, acquired▲ 21537,60258,200top 500ktop 500k17,004—Sep 14

Tranco 58,200Radar top 500kCrUX top 500kMajestic 17,004Umbrella —checked Sep 14

navattic.com56,270 avg · W21▼ 1,05856,27029,142top 20k—64,57175,097Sep 14

Tranco 29,142Radar top 20kCrUX —Majestic 64,571Umbrella 75,097checked Sep 14

chatwoot.com64,733 avg · W21▼ 2,61764,73322,646top 20ktop 500k74,57096,983Sep 14

Tranco 22,646Radar top 20kCrUX top 500kMajestic 74,570Umbrella 96,983checked Sep 14

kiwify.com.br77,336 avg · W21▼ 9177,33633,100top 50ktop 100k25,285173,624Sep 14

Tranco 33,100Radar top 50kCrUX top 100kMajestic 25,285Umbrella 173,624checked Sep 14

cyble.com82,523 avg · W21▼ 1,03482,523126,951top 500ktop 1M38,095—Sep 14

Tranco 126,951Radar top 500kCrUX top 1MMajestic 38,095Umbrella —checked Sep 14

fathom.ai84,055 avg · W21▲ 1,77784,055125,898top 200ktop 500k42,211—Sep 14

Tranco 125,898Radar top 200kCrUX top 500kMajestic 42,211Umbrella —checked Sep 14

zingbus.com87,809 avg · W21▼ 50587,80987,809—top 50k——Sep 14

Tranco 87,809Radar —CrUX top 50kMajestic —Umbrella —checked Sep 14

blaze.today106,438 avg · W21▲ 6,531106,43895,573top 100ktop 1M83,552140,190Sep 14

Tranco 95,573Radar top 100kCrUX top 1MMajestic 83,552Umbrella 140,190checked Sep 14

spline.design110,763 avg · W21▲ 8,361110,76340,426top 50ktop 500k18,299273,563Sep 14

Tranco 40,426Radar top 50kCrUX top 500kMajestic 18,299Umbrella 273,563checked Sep 14

finary.com122,186 avg · W21▲ 2,300122,18643,113top 200ktop 500k201,259—Sep 14

Tranco 43,113Radar top 200kCrUX top 500kMajestic 201,259Umbrella —checked Sep 14

simplify.jobs133,396 avg · W21▲ 4,883133,39664,914top 50ktop 500k178,110157,164Sep 14

Tranco 64,914Radar top 50kCrUX top 500kMajestic 178,110Umbrella 157,164checked Sep 14

zeptonow.comredirected144,466 avg · W21▼ 4,666144,46618,728top 50k—108,822305,848Sep 14

Tranco 18,728Radar top 50kCrUX —Majestic 108,822Umbrella 305,848checked Sep 14

this domain now redirects elsewhere; the rank measures whoever it points at — the homepage redirects to zepto.com, a different site

feroot.com145,096 avg · W21▲ 135145,09616,573top 10k—392,45626,259Sep 14

Tranco 16,573Radar top 10kCrUX —Majestic 392,456Umbrella 26,259checked Sep 14

signoz.io153,426 avg · W21▲ 1,243153,426221,857top 500k—84,995—Sep 14

Tranco 221,857Radar top 500kCrUX —Majestic 84,995Umbrella —checked Sep 14

nourish.com177,964 avg · W21▼ 7,039177,96495,368top 100ktop 500k174,496264,027Sep 14

Tranco 95,368Radar top 100kCrUX top 500kMajestic 174,496Umbrella 264,027checked Sep 14

svix.com184,914 avg · W21▲ 6,522184,914194,789top 100k—175,038—Sep 14

Tranco 194,789Radar top 100kCrUX —Majestic 175,038Umbrella —checked Sep 14

compose.ai184,926 avg · W21▲ 557184,926155,728top 200k—101,781297,269Sep 14

Tranco 155,728Radar top 200kCrUX —Majestic 101,781Umbrella 297,269checked Sep 14

vapi.ai198,222 avg · W21▼ 21,605198,22257,846top 100ktop 500k70,387466,432Sep 14

Tranco 57,846Radar top 100kCrUX top 500kMajestic 70,387Umbrella 466,432checked Sep 14

swiftsku.com205,334 avg · W21▲ 1,542205,334205,334top 200k———Sep 14

Tranco 205,334Radar top 200kCrUX —Majestic —Umbrella —checked Sep 14

flutterflow.io222,892 avg · W21▲ 4,838222,89295,148top 500ktop 500k55,607517,920Sep 14

Tranco 95,148Radar top 500kCrUX top 500kMajestic 55,607Umbrella 517,920checked Sep 14

axiom.ai226,550 avg · W21▲ 3,891226,550320,272top 1M—132,827—Sep 14

Tranco 320,272Radar top 1MCrUX —Majestic 132,827Umbrella —checked Sep 14

tractian.com226,999 avg · W21▲ 11,064226,999134,316top 100ktop 1M204,104342,578Sep 14

Tranco 134,316Radar top 100kCrUX top 1MMajestic 204,104Umbrella 342,578checked Sep 14

agendapro.com263,287 avg · W21▲ 16,951263,287119,718top 100ktop 100k87,590582,553Sep 14

Tranco 119,718Radar top 100kCrUX top 100kMajestic 87,590Umbrella 582,553checked Sep 14

zoko.io264,171 avg · W21▼ 72264,17134,635top 10k—630,019127,859Sep 14

Tranco 34,635Radar top 10kCrUX —Majestic 630,019Umbrella 127,859checked Sep 14

pangea.app278,694 avg · W21▼ 5,178278,694———278,694—Sep 14

Tranco —Radar —CrUX —Majestic 278,694Umbrella —checked Sep 14

solosuit.com279,402 avg · W21▼ 5,300279,402350,735top 1Mtop 1M208,068—Sep 14

Tranco 350,735Radar top 1MCrUX top 1MMajestic 208,068Umbrella —checked Sep 14

tryterra.co285,151 avg · W21▲ 15,083285,151129,974top 100k—587,847137,633Sep 14

Tranco 129,974Radar top 100kCrUX —Majestic 587,847Umbrella 137,633checked Sep 14

quicknode.com296,940 avg · W21▼ 14,418296,940101,915top 50ktop 1M45,650743,255Sep 14

Tranco 101,915Radar top 50kCrUX top 1MMajestic 45,650Umbrella 743,255checked Sep 14

darrow.ai297,826 avg · W21▲ 23,694297,826———297,826—Sep 14

Tranco —Radar —CrUX —Majestic 297,826Umbrella —checked Sep 14

emergetools.com303,487 avg · W21, acquired▼ 6,472303,48781,081top 100k—663,046166,333Sep 14

Tranco 81,081Radar top 100kCrUX —Majestic 663,046Umbrella 166,333checked Sep 14

codingal.com305,501 avg · W21▼ 5,298305,501168,768top 1Mtop 100k442,234—Sep 14

Tranco 168,768Radar top 1MCrUX top 100kMajestic 442,234Umbrella —checked Sep 14

regentcraft.com309,168 avg · W21▲ 22,315309,168———309,168—Sep 14

Tranco —Radar —CrUX —Majestic 309,168Umbrella —checked Sep 14

coderhouse.com314,191 avg · W21▼ 5,688314,191318,453top 200ktop 500k309,928—Sep 14

Tranco 318,453Radar top 200kCrUX top 500kMajestic 309,928Umbrella —checked Sep 14

stokespace.com314,948 avg · W21▲ 36,494314,948———314,948—Sep 14

Tranco —Radar —CrUX —Majestic 314,948Umbrella —checked Sep 14

alokai.com318,159 avg · W21▼ 4,954318,159483,908top 1M—152,409—Sep 14

Tranco 483,908Radar top 1MCrUX —Majestic 152,409Umbrella —checked Sep 14

modernloop.ioredirected329,574 avg · W21▲ 3,137329,574329,574top 500k———Sep 14

Tranco 329,574Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14

this domain now redirects elsewhere; the rank measures whoever it points at — the homepage redirects to modernloop.com, a different site

redcliffelabs.com331,186 avg · W21▼ 139,483331,18652,157top 100ktop 50k109,494831,908Sep 14

Tranco 52,157Radar top 100kCrUX top 50kMajestic 109,494Umbrella 831,908checked Sep 14

webiny.com332,933 avg · W21▲ 22,163332,933———332,933—Sep 14

Tranco —Radar —CrUX —Majestic 332,933Umbrella —checked Sep 14

waydev.co341,633 avg · W21▼ 9,066341,633———341,633—Sep 14

Tranco —Radar —CrUX —Majestic 341,633Umbrella —checked Sep 14

encord.com348,501 avg · W21▼ 118,916348,501117,415top 100k—109,979818,109Sep 14

Tranco 117,415Radar top 100kCrUX —Majestic 109,979Umbrella 818,109checked Sep 14

pyroscope.ioredirected348,718 avg · W21, acquired▼ 3,822348,718348,718————Sep 14

Tranco 348,718Radar —CrUX —Majestic —Umbrella —checked Sep 14

this domain now redirects elsewhere; the rank measures whoever it points at — the homepage redirects to grafana.com, a different site

magicbell.com350,412 avg · W21▲ 3,752350,41295,664top 50k—533,361422,211Sep 14

Tranco 95,664Radar top 50kCrUX —Majestic 533,361Umbrella 422,211checked Sep 14

weweb.io357,687 avg · W21▼ 15,558357,687231,693top 500k—190,030651,339Sep 14

Tranco 231,693Radar top 500kCrUX —Majestic 190,030Umbrella 651,339checked Sep 14

spruceid.com386,178 avg · W21▲ 20,935386,178———386,178—Sep 14

Tranco —Radar —CrUX —Majestic 386,178Umbrella —checked Sep 14

howdy.com386,987 avg · W21▲ 8,700386,987———386,987—Sep 14

Tranco —Radar —CrUX —Majestic 386,987Umbrella —checked Sep 14

popl.co395,150 avg · W21▲ 601395,150164,600top 500ktop 500k75,972944,878Sep 14

Tranco 164,600Radar top 500kCrUX top 500kMajestic 75,972Umbrella 944,878checked Sep 14

weekday.works396,712 avg · W21▼ 7,200396,712385,011top 500ktop 1M408,413—Sep 14

Tranco 385,011Radar top 500kCrUX top 1MMajestic 408,413Umbrella —checked Sep 14

mindee.com412,284 avg · W21▲ 27,057412,284———412,284—Sep 14

Tranco —Radar —CrUX —Majestic 412,284Umbrella —checked Sep 14

authzed.com420,991 avg · W21▲ 6,377420,991545,150top 500k—296,832—Sep 14

Tranco 545,150Radar top 500kCrUX —Majestic 296,832Umbrella —checked Sep 14

somosinternet.coredirected422,487 avg · W21▼ 15,967422,48795,426top 500k——749,547Sep 14

Tranco 95,426Radar top 500kCrUX —Majestic —Umbrella 749,547checked Sep 14

this domain now redirects elsewhere; the rank measures whoever it points at — the homepage redirects to somosinternet.com, a different site

treinta.co438,500 avg · W21▼ 10,921438,500115,400top 100ktop 1M467,893732,207Sep 14

Tranco 115,400Radar top 100kCrUX top 1MMajestic 467,893Umbrella 732,207checked Sep 14

stayflexi.com454,199 avg · W21▼ 50,044454,199174,134top 200k—548,399640,063Sep 14

Tranco 174,134Radar top 200kCrUX —Majestic 548,399Umbrella 640,063checked Sep 14

getontop.com467,719 avg · W21▲ 44,002467,719326,349top 500ktop 100k406,673670,135Sep 14

Tranco 326,349Radar top 500kCrUX top 100kMajestic 406,673Umbrella 670,135checked Sep 14

firstbase.io469,481 avg · W21▼ 4,645469,481646,783—top 1M292,179—Sep 14

Tranco 646,783Radar —CrUX top 1MMajestic 292,179Umbrella —checked Sep 14

liveflow.com470,293 avg · W21▼ 36,580470,293—top 1M—470,293—Sep 14

Tranco —Radar top 1MCrUX —Majestic 470,293Umbrella —checked Sep 14

atratopago.com473,253 avg · W21▼ 5,024473,253473,253top 500ktop 500k——Sep 14

Tranco 473,253Radar top 500kCrUX top 500kMajestic —Umbrella —checked Sep 14

hapi.trade476,802 avg · W21▲ 22,631476,802389,509top 500ktop 1M564,094—Sep 14

Tranco 389,509Radar top 500kCrUX top 1MMajestic 564,094Umbrella —checked Sep 14

cloudhumans.com480,324 avg · W21▼ 120,418480,324258,267top 100k——702,380Sep 14

Tranco 258,267Radar top 100kCrUX —Majestic —Umbrella 702,380checked Sep 14

show 20 more

a — means that source hasn't ranked the site; the average uses whichever exact ranks exist

History · every change, public

Sep 14 06:03sync with the YC sync, 9 sites changed

Sep 13 06:03sync with the YC sync, 1 site changed

Sep 12 06:02sync with the YC sync, 6 sites changed

Sep 11 06:03sync with the YC sync, 11 sites changed

Sep 10 06:03sync with the YC sync, 15 sites changed

Sep 9 06:03sync with the YC sync, 13 sites changed

Sep 8 06:03sync with the YC sync, 5 sites shown

This list is kept in step with the official YC API, so it isn't editable here. This is just for fun.