Y Combinator Startups

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

126 of 4,698 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 · S27

P25 · P26

W19 · 126 sites · ← all sites

126 live · 23 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

kalshi.com20,942 avg · W19▲ 77220,9427,634top 5ktop 50k14,97340,219Oct 29

Tranco 7,634Radar top 5kCrUX top 50kMajestic 14,973Umbrella 40,219checked Oct 29

buymeacoffee.com26,125 avg · W19▼ 60326,1254,117top 20ktop 50k1,19573,063Oct 29

Tranco 4,117Radar top 20kCrUX top 50kMajestic 1,195Umbrella 73,063checked Oct 29

dyneti.com35,852 avg · W19▲ 49635,85236,739top 50k——34,964Oct 29

Tranco 36,739Radar top 50kCrUX —Majestic —Umbrella 34,964checked Oct 29

ashbyhq.com44,077 avg · W19▼ 1,18844,07718,778top 20ktop 500k11,265102,188Oct 29

Tranco 18,778Radar top 20kCrUX top 500kMajestic 11,265Umbrella 102,188checked Oct 29

wanderlog.com52,637 avg · W19▼ 7,68652,63720,372top 20ktop 100k12,001125,538Oct 29

Tranco 20,372Radar top 20kCrUX top 100kMajestic 12,001Umbrella 125,538checked Oct 29

postscript.io59,332 avg · W19▲ 7,79459,33216,076top 10k—140,62821,292Oct 29

Tranco 16,076Radar top 10kCrUX —Majestic 140,628Umbrella 21,292checked Oct 29

termius.com63,446 avg · W19▲ 30,44463,44621,167top 10ktop 1M52,227116,943Oct 29

Tranco 21,167Radar top 10kCrUX top 1MMajestic 52,227Umbrella 116,943checked Oct 29

memfault.com70,562 avg · W19, acquired▲ 4,18970,56212,842top 5k—172,18926,654Oct 29

Tranco 12,842Radar top 5kCrUX —Majestic 172,189Umbrella 26,654checked Oct 29

deel.com75,447 avg · W19▼ 2,41475,44729,708top 50ktop 100k12,625184,007Oct 29

Tranco 29,708Radar top 50kCrUX top 100kMajestic 12,625Umbrella 184,007checked Oct 29

ourworldindata.org87,186 avg · W19▲ 1,88287,1863,773top 50ktop 100k951256,835Oct 29

Tranco 3,773Radar top 50kCrUX top 100kMajestic 951Umbrella 256,835checked Oct 29

sapling.ai133,083 avg · W19▲ 12,383133,08372,895top 100ktop 500k51,668274,685Oct 29

Tranco 72,895Radar top 100kCrUX top 500kMajestic 51,668Umbrella 274,685checked Oct 29

alpaca.markets134,670 avg · W19▼ 5,484134,67018,081top 10ktop 500k47,943337,987Oct 29

Tranco 18,081Radar top 10kCrUX top 500kMajestic 47,943Umbrella 337,987checked Oct 29

coursedog.com183,754 avg · W19, acquired▼ 3,681183,75497,945top 200k—266,015187,302Oct 29

Tranco 97,945Radar top 200kCrUX —Majestic 266,015Umbrella 187,302checked Oct 29

keepertax.com197,904 avg · W19▲ 45,322197,904265,101top 1M—130,707—Oct 29

Tranco 265,101Radar top 1MCrUX —Majestic 130,707Umbrella —checked Oct 29

dagger.io203,677 avg · W19▲ 31,729203,677252,515top 200k—154,839—Oct 29

Tranco 252,515Radar top 200kCrUX —Majestic 154,839Umbrella —checked Oct 29

acciojob.com204,921 avg · W19▼ 6,340204,921204,921—top 500k——Oct 29

Tranco 204,921Radar —CrUX top 500kMajestic —Umbrella —checked Oct 29

mudrex.com206,848 avg · W19▲ 8,446206,848255,624top 500ktop 500k158,071—Oct 29

Tranco 255,624Radar top 500kCrUX top 500kMajestic 158,071Umbrella —checked Oct 29

theforage.com207,572 avg · W19, acquired▼ 5,375207,57247,275top 200ktop 50k36,612538,830Oct 29

Tranco 47,275Radar top 200kCrUX top 50kMajestic 36,612Umbrella 538,830checked Oct 29

glideapps.com213,416 avg · W19▲ 78,756213,41688,440top 200ktop 500k30,803521,006Oct 29

Tranco 88,440Radar top 200kCrUX top 500kMajestic 30,803Umbrella 521,006checked Oct 29

upsolve.org228,330 avg · W19▲ 6,238228,330304,128top 1M—152,532—Oct 29

Tranco 304,128Radar top 1MCrUX —Majestic 152,532Umbrella —checked Oct 29

avo.app239,788 avg · W19▲ 28,076239,78834,200top 20k—654,20830,955Oct 29

Tranco 34,200Radar top 20kCrUX —Majestic 654,208Umbrella 30,955checked Oct 29

cosmicjs.com260,034 avg · W19▼ 10,299260,034160,943top 200k—147,860471,299Oct 29

Tranco 160,943Radar top 200kCrUX —Majestic 147,860Umbrella 471,299checked Oct 29

heartaerospace.com266,844 avg · W19▲ 26,567266,844430,291——103,397—Oct 29

Tranco 430,291Radar —CrUX —Majestic 103,397Umbrella —checked Oct 29

doppler.com285,111 avg · W19, acquired▼ 7,491285,11126,818top 20k—45,633782,883Oct 29

Tranco 26,818Radar top 20kCrUX —Majestic 45,633Umbrella 782,883checked Oct 29

supernova.io287,433 avg · W19▲ 50,395287,433363,188top 500k—211,678—Oct 29

Tranco 363,188Radar top 500kCrUX —Majestic 211,678Umbrella —checked Oct 29

helloaxel.com289,542 avg · W19▲ 155,237289,542142,815top 50ktop 1M—436,269Oct 29

Tranco 142,815Radar top 50kCrUX top 1MMajestic —Umbrella 436,269checked Oct 29

sunsama.com306,995 avg · W19▲ 34,923306,995148,594top 200k—91,643680,747Oct 29

Tranco 148,594Radar top 200kCrUX —Majestic 91,643Umbrella 680,747checked Oct 29

communityphone.org317,001 avg · W19▼ 16,148317,001327,672top 500ktop 500k306,330—Oct 29

Tranco 327,672Radar top 500kCrUX top 500kMajestic 306,330Umbrella —checked Oct 29

thejuggernaut.com353,355 avg · W19▼ 48,690353,355———353,355—Oct 29

Tranco —Radar —CrUX —Majestic 353,355Umbrella —checked Oct 29

jetpackaviation.com354,308 avg · W19▲ 154,607354,308———354,308—Oct 29

Tranco —Radar —CrUX —Majestic 354,308Umbrella —checked Oct 29

exlyapp.com365,917 avg · W19▼ 23,698365,917468,945top 1M—262,888—Oct 29

Tranco 468,945Radar top 1MCrUX —Majestic 262,888Umbrella —checked Oct 29

golinks.io379,181 avg · W19▲ 98379,181321,127top 200k—381,607434,808Oct 29

Tranco 321,127Radar top 200kCrUX —Majestic 381,607Umbrella 434,808checked Oct 29

inito.com396,060 avg · W19▼ 17,737396,060145,883top 200k—399,610642,687Oct 29

Tranco 145,883Radar top 200kCrUX —Majestic 399,610Umbrella 642,687checked Oct 29

kovi.com.br420,389 avg · W19, acquired▲ 135,470420,389179,188top 500ktop 100k661,590—Oct 29

Tranco 179,188Radar top 500kCrUX top 100kMajestic 661,590Umbrella —checked Oct 29

shiokmeats.com431,453 avg · W19, acquired▲ 27,177431,453———431,453—Oct 29

Tranco —Radar —CrUX —Majestic 431,453Umbrella —checked Oct 29

okteto.com431,717 avg · W19▲ 43,585431,717—top 1M—431,717—Oct 29

Tranco —Radar top 1MCrUX —Majestic 431,717Umbrella —checked Oct 29

shef.com456,881 avg · W19▲ 27,528456,881411,218top 500ktop 1M502,544—Oct 29

Tranco 411,218Radar top 500kCrUX top 1MMajestic 502,544Umbrella —checked Oct 29

middesk.com473,607 avg · W19▲ 11,988473,607522,986top 500k—424,227—Oct 29

Tranco 522,986Radar top 500kCrUX —Majestic 424,227Umbrella —checked Oct 29

truora.com485,395 avg · W19▲ 17,246485,395394,651top 500k—576,139—Oct 29

Tranco 394,651Radar top 500kCrUX —Majestic 576,139Umbrella —checked Oct 29

ultralig.ht485,722 avg · W19▲ 23,285485,722———485,722—Oct 29

Tranco —Radar —CrUX —Majestic 485,722Umbrella —checked Oct 29

superb-ai.com486,384 avg · W19▼ 55,598486,384———486,384—Oct 29

Tranco —Radar —CrUX —Majestic 486,384Umbrella —checked Oct 29

skill-lync.com487,857 avg · W19▲ 51,310487,857367,832top 200k—329,899765,840Oct 29

Tranco 367,832Radar top 200kCrUX —Majestic 329,899Umbrella 765,840checked Oct 29

handle.com506,395 avg · W19▲ 3,298506,395428,541top 1M—431,804658,839Oct 29

Tranco 428,541Radar top 1MCrUX —Majestic 431,804Umbrella 658,839checked Oct 29

numero.ai508,787 avg · W19▼ 53,742508,787359,698top 1M—657,876—Oct 29

Tranco 359,698Radar top 1MCrUX —Majestic 657,876Umbrella —checked Oct 29

nala.com521,703 avg · W19▼ 12,659521,703———521,703—Oct 29

Tranco —Radar —CrUX —Majestic 521,703Umbrella —checked Oct 29

nabis.com527,873 avg · W19▲ 132,306527,873394,177top 1M—661,568—Oct 29

Tranco 394,177Radar top 1MCrUX —Majestic 661,568Umbrella —checked Oct 29

atlascard.com530,467 avg · W19▲ 417,082530,467———530,467—Oct 29

Tranco —Radar —CrUX —Majestic 530,467Umbrella —checked Oct 29

overview.ai542,172 avg · W19▲ 13,002542,172—top 1M—542,172—Oct 29

Tranco —Radar top 1MCrUX —Majestic 542,172Umbrella —checked Oct 29

cityfurnish.com573,179 avg · W19▲ 11,356573,179561,239—top 500k585,118—Oct 29

Tranco 561,239Radar —CrUX top 500kMajestic 585,118Umbrella —checked Oct 29

ampup.io578,830 avg · W19▲ 185,307578,830543,084top 1M—614,575—Oct 29

Tranco 543,084Radar top 1MCrUX —Majestic 614,575Umbrella —checked Oct 29

rct.ai588,094 avg · W19▼ 680588,094———588,094—Oct 29

Tranco —Radar —CrUX —Majestic 588,094Umbrella —checked Oct 29

windsor.io614,424 avg · W19, acquired▲ 51,159614,424———614,424—Oct 29

Tranco —Radar —CrUX —Majestic 614,424Umbrella —checked Oct 29

flockjay.com623,610 avg · W19▲ 74,943623,610632,748top 1M—614,471—Oct 29

Tranco 632,748Radar top 1MCrUX —Majestic 614,471Umbrella —checked Oct 29

naturallclub.com636,354 avg · W19▲ 68,724636,354———636,354—Oct 29

Tranco —Radar —CrUX —Majestic 636,354Umbrella —checked Oct 29

nowports.com650,465 avg · W19▲ 186,109650,465———650,465—Oct 29

Tranco —Radar —CrUX —Majestic 650,465Umbrella —checked Oct 29

rune.ai673,511 avg · W19▼ 6,133673,511673,511top 500k———Oct 29

Tranco 673,511Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29

keynua.com675,391 avg · W19▼ 33,893675,391675,391————Oct 29

Tranco 675,391Radar —CrUX —Majestic —Umbrella —checked Oct 29

latchel.com684,885 avg · W19▲ 151,858684,885—top 1M—684,885—Oct 29

Tranco —Radar top 1MCrUX —Majestic 684,885Umbrella —checked Oct 29

cuanto.app686,399 avg · W19▼ 61,690686,399———686,399—Oct 29

Tranco —Radar —CrUX —Majestic 686,399Umbrella —checked Oct 29

shipper.id688,486 avg · W19▲ 7,738688,486736,923top 1Mtop 1M640,049—Oct 29

Tranco 736,923Radar top 1MCrUX top 1MMajestic 640,049Umbrella —checked Oct 29

cocoon.com696,745 avg · W19, acquired▲ 269,427696,745———696,745—Oct 29

Tranco —Radar —CrUX —Majestic 696,745Umbrella —checked Oct 29

catch.co714,190 avg · W19, acquired▲ 71,299714,190———714,190—Oct 29

Tranco —Radar —CrUX —Majestic 714,190Umbrella —checked Oct 29

thriveagric.com714,605 avg · W19▲ 33,611714,605———714,605—Oct 29

Tranco —Radar —CrUX —Majestic 714,605Umbrella —checked Oct 29

convex.com735,382 avg · W19, acquired▼ 45,789735,382———735,382—Oct 29

Tranco —Radar —CrUX —Majestic 735,382Umbrella —checked Oct 29

voting.works806,628 avg · W19▲ 4,008806,628———806,628—Oct 29

Tranco —Radar —CrUX —Majestic 806,628Umbrella —checked Oct 29

pools.events879,697 avg · W19▼ 89,883879,697—top 500k—879,697—Oct 29

Tranco —Radar top 500kCrUX —Majestic 879,697Umbrella —checked Oct 29

usecaribou.com887,369 avg · W19887,369———887,369—Oct 15

Tranco —Radar —CrUX —Majestic 887,369Umbrella —checked Oct 15

centaur.ai891,629 avg · W19▼ 88,459891,629———891,629—Oct 29

Tranco —Radar —CrUX —Majestic 891,629Umbrella —checked Oct 29

eclipsefoods.com892,010 avg · W19▲ 89,309892,010———892,010—Oct 29

Tranco —Radar —CrUX —Majestic 892,010Umbrella —checked Oct 29

bunkerhillhealth.com903,591 avg · W19▼ 87,343903,591———903,591—Oct 29

Tranco —Radar —CrUX —Majestic 903,591Umbrella —checked Oct 29

gotlanded.com909,267 avg · W19909,267———909,267—Oct 16

Tranco —Radar —CrUX —Majestic 909,267Umbrella —checked Oct 16

sortingrobotics.com922,700 avg · W19▼ 56,470922,700———922,700—Oct 29

Tranco —Radar —CrUX —Majestic 922,700Umbrella —checked Oct 29

globe.exchange924,922 avg · W19▲ 58,257924,922———924,922—Oct 29

Tranco —Radar —CrUX —Majestic 924,922Umbrella —checked Oct 29

lezzoo.com946,790 avg · W19946,790946,790top 500k———Oct 29

Tranco 946,790Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29

auravision.ai965,086 avg · W19965,086———965,086—Oct 19

Tranco —Radar —CrUX —Majestic 965,086Umbrella —checked Oct 19

bottomless.com965,545 avg · W19965,545———965,545—Oct 22

Tranco —Radar —CrUX —Majestic 965,545Umbrella —checked Oct 22

juzibot.com968,448 avg · W19968,448———968,448—Oct 15

Tranco —Radar —CrUX —Majestic 968,448Umbrella —checked Oct 15

flowercompany.com972,392 avg · W19972,392———972,392—Oct 19

Tranco —Radar —CrUX —Majestic 972,392Umbrella —checked Oct 19

pyxai.com992,985 avg · W19992,985———992,985—Oct 19

Tranco —Radar —CrUX —Majestic 992,985Umbrella —checked Oct 19

mobot.io994,301 avg · W19994,301———994,301—Oct 19

Tranco —Radar —CrUX —Majestic 994,301Umbrella —checked Oct 19

trexorobotics.com994,979 avg · W19▼ 236,393994,979———994,979—Oct 29

Tranco —Radar —CrUX —Majestic 994,979Umbrella —checked Oct 29

emilabs.ai995,584 avg · W19995,584———995,584—Sep 7

Tranco —Radar —CrUX —Majestic 995,584Umbrella —checked Sep 7

credpal.com995,624 avg · W19995,624———995,624—Oct 15

Tranco —Radar —CrUX —Majestic 995,624Umbrella —checked Oct 15

alluresystems.com995,850 avg · W19, acquired995,850———995,850—Oct 19

Tranco —Radar —CrUX —Majestic 995,850Umbrella —checked Oct 19

1910.ai— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

aiinsurance.io— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

allsome.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

ascen.com— avg · W19, acquired——top 1M———Oct 29

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 29

askdata.com— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

brainkey.ai— avg · W19———top 1M——Oct 13

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Oct 13

claytonfarms.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

doorport.com— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

edyst.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

excepgen.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

firstdelivery.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

getdockup.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

getpulse.in— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

heycanopy.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

insightbrowser.com— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

100

instapathbio.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

101

intacttherapeutics.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

102

intelline.ca— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

103

interprime.co— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

104

intheroom.social— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

105

leahlabs.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

106

marsauto.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

107

onswitchboard.com— avg · W19——top 1M———Jul 26

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 26

108

outrival.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

109

patternfast.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

110

positive.co— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

111

probablygenetic.com— avg · W19——top 1M———Oct 25

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 25

112

ravn.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

113

reelables.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

114

schoolable.co— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

115

scitok.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

116

searchlight.ai— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

117

slapdash.com— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

118

spirelawfirm.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

119

springinafrica.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

120

taalifoods.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

121

taobotics.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

122

tuprontomx.com— avg · W19———top 1M——Oct 29

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Oct 29

123

voltalabs.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

124

weathercheck.co— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

125

workclout.com— avg · W19, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

126

xgenomes.com— avg · W19———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

History · every change, public

Oct 29 06:03sync with the YC sync, 12 sites changed

Oct 28 06:03sync with the YC sync, 10 sites changed

Oct 27 06:03sync with the YC sync, 13 sites changed

Oct 26 06:02sync with the YC sync, 3 sites changed

Oct 25 06:03sync with the YC sync, 5 sites changed

Oct 24 06:03sync with the YC sync, 6 sites changed

Oct 23 06:03sync with the YC sync, 11 sites shown

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