Y Combinator Startups

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

128 of 4,520 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

W19 · 128 sites · ← all sites

128 live · 23 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

buymeacoffee.com23,923 avg · W19▲ 48723,9234,294top 20ktop 50k1,23366,243Jul 31

Tranco 4,294Radar top 20kCrUX top 50kMajestic 1,233Umbrella 66,243checked Jul 31

dyneti.com38,846 avg · W19▲ 23738,84640,367top 50k——37,325Jul 31

Tranco 40,367Radar top 50kCrUX —Majestic —Umbrella 37,325checked Jul 31

kalshi.com39,523 avg · W19▲ 44539,5239,922top 5ktop 50k16,55192,096Jul 31

Tranco 9,922Radar top 5kCrUX top 50kMajestic 16,551Umbrella 92,096checked Jul 31

ashbyhq.com43,566 avg · W19▼ 14343,56620,963top 20ktop 500k14,76294,974Jul 31

Tranco 20,963Radar top 20kCrUX top 500kMajestic 14,762Umbrella 94,974checked Jul 31

wanderlog.com46,461 avg · W19▼ 4,39846,46118,112top 20ktop 100k10,931110,341Jul 31

Tranco 18,112Radar top 20kCrUX top 100kMajestic 10,931Umbrella 110,341checked Jul 31

termius.com61,215 avg · W19▼ 51661,21521,057top 10ktop 1M59,975102,613Jul 31

Tranco 21,057Radar top 10kCrUX top 1MMajestic 59,975Umbrella 102,613checked Jul 31

deel.com68,846 avg · W19▲ 3,31568,84629,357top 50k—15,136162,046Jul 31

Tranco 29,357Radar top 50kCrUX —Majestic 15,136Umbrella 162,046checked Jul 31

postscript.io77,012 avg · W19▼ 97777,01212,328top 10k—199,22019,489Jul 31

Tranco 12,328Radar top 10kCrUX —Majestic 199,220Umbrella 19,489checked Jul 31

memfault.com82,357 avg · W19, acquired▲ 90482,35712,627top 5k—207,95726,488Jul 31

Tranco 12,627Radar top 5kCrUX —Majestic 207,957Umbrella 26,488checked Jul 31

ourworldindata.org112,947 avg · W19▼ 5,858112,9473,695top 100ktop 100k931334,214Jul 31

Tranco 3,695Radar top 100kCrUX top 100kMajestic 931Umbrella 334,214checked Jul 31

alpaca.markets128,995 avg · W19▼ 3,393128,99518,027top 10ktop 500k56,122312,837Jul 31

Tranco 18,027Radar top 10kCrUX top 500kMajestic 56,122Umbrella 312,837checked Jul 31

sapling.ai147,271 avg · W19▼ 2,171147,27186,031top 100ktop 500k49,863305,920Jul 31

Tranco 86,031Radar top 100kCrUX top 500kMajestic 49,863Umbrella 305,920checked Jul 31

coursedog.com198,833 avg · W19, acquired▲ 7,226198,833101,996top 100k—263,574230,928Jul 31

Tranco 101,996Radar top 100kCrUX —Majestic 263,574Umbrella 230,928checked Jul 31

upsolve.org202,436 avg · W19▲ 1,616202,436274,077top 1M—130,794—Jul 31

Tranco 274,077Radar top 1MCrUX —Majestic 130,794Umbrella —checked Jul 31

mudrex.com221,933 avg · W19▲ 1,190221,933279,918top 500ktop 500k163,947—Jul 31

Tranco 279,918Radar top 500kCrUX top 500kMajestic 163,947Umbrella —checked Jul 31

keepertax.com228,809 avg · W19▲ 3,314228,809322,295top 1M—135,322—Jul 31

Tranco 322,295Radar top 1MCrUX —Majestic 135,322Umbrella —checked Jul 31

theforage.com230,937 avg · W19, acquired▼ 35,503230,93746,042top 200ktop 50k36,793609,977Jul 31

Tranco 46,042Radar top 200kCrUX top 50kMajestic 36,793Umbrella 609,977checked Jul 31

glideapps.com231,885 avg · W19▲ 14,964231,88595,599top 200ktop 500k37,961562,094Jul 31

Tranco 95,599Radar top 200kCrUX top 500kMajestic 37,961Umbrella 562,094checked Jul 31

dagger.io241,742 avg · W19▼ 1,732241,742254,852top 200k—228,632—Jul 31

Tranco 254,852Radar top 200kCrUX —Majestic 228,632Umbrella —checked Jul 31

doppler.com251,275 avg · W19▲ 28,934251,27525,741top 20k—55,949672,134Jul 31

Tranco 25,741Radar top 20kCrUX —Majestic 55,949Umbrella 672,134checked Jul 31

demodesk.com270,955 avg · W19▲ 2,871270,955240,756top 200ktop 1M301,153—Jul 31

Tranco 240,756Radar top 200kCrUX top 1MMajestic 301,153Umbrella —checked Jul 31

cosmicjs.com274,293 avg · W19▼ 18,318274,293181,761top 200k—181,462459,656Jul 31

Tranco 181,761Radar top 200kCrUX —Majestic 181,462Umbrella 459,656checked Jul 31

communityphone.org302,442 avg · W19▲ 9,974302,442366,265top 500ktop 1M238,619—Jul 31

Tranco 366,265Radar top 500kCrUX top 1MMajestic 238,619Umbrella —checked Jul 31

supernova.io309,272 avg · W19▼ 16,589309,272361,414top 500k—257,129—Jul 31

Tranco 361,414Radar top 500kCrUX —Majestic 257,129Umbrella —checked Jul 31

avo.app318,748 avg · W19▲ 4,211318,74833,993top 20k—893,84528,407Jul 31

Tranco 33,993Radar top 20kCrUX —Majestic 893,845Umbrella 28,407checked Jul 31

sunsama.com319,049 avg · W19▼ 55,230319,049147,756top 100k—129,098680,293Jul 31

Tranco 147,756Radar top 100kCrUX —Majestic 129,098Umbrella 680,293checked Jul 31

heartaerospace.com330,212 avg · W19▼ 14,943330,212———330,212—Jul 31

Tranco —Radar —CrUX —Majestic 330,212Umbrella —checked Jul 31

skill-lync.com343,873 avg · W19▼ 3,321343,873425,911top 500ktop 1M261,834—Jul 31

Tranco 425,911Radar top 500kCrUX top 1MMajestic 261,834Umbrella —checked Jul 31

kovi.com.br377,304 avg · W19, acquired▼ 29,594377,304272,905top 1Mtop 500k481,703—Jul 31

Tranco 272,905Radar top 1MCrUX top 500kMajestic 481,703Umbrella —checked Jul 31

golinks.io379,200 avg · W19▼ 10,584379,200277,513top 200k—420,956439,131Jul 31

Tranco 277,513Radar top 200kCrUX —Majestic 420,956Umbrella 439,131checked Jul 31

inito.com387,912 avg · W19▼ 31,042387,912181,741top 200k—275,424706,570Jul 31

Tranco 181,741Radar top 200kCrUX —Majestic 275,424Umbrella 706,570checked Jul 31

jetpackaviation.com404,165 avg · W19▲ 29,711404,165———404,165—Jul 31

Tranco —Radar —CrUX —Majestic 404,165Umbrella —checked Jul 31

truora.com410,215 avg · W19▲ 1,314410,215383,161top 500k—437,268—Jul 31

Tranco 383,161Radar top 500kCrUX —Majestic 437,268Umbrella —checked Jul 31

shiokmeats.com430,648 avg · W19, acquired▲ 16,451430,648———430,648—Jul 31

Tranco —Radar —CrUX —Majestic 430,648Umbrella —checked Jul 31

lezzoo.com438,011 avg · W19▲ 48,097438,011438,011top 1M———Jul 31

Tranco 438,011Radar top 1MCrUX —Majestic —Umbrella —checked Jul 31

shef.com438,160 avg · W19▼ 14,452438,160344,898top 500ktop 1M531,422—Jul 31

Tranco 344,898Radar top 500kCrUX top 1MMajestic 531,422Umbrella —checked Jul 31

okteto.com446,131 avg · W19▲ 5,127446,131—top 1M—446,131—Jul 31

Tranco —Radar top 1MCrUX —Majestic 446,131Umbrella —checked Jul 31

middesk.com469,092 avg · W19▲ 70,611469,092375,381top 200k—493,314538,580Jul 31

Tranco 375,381Radar top 200kCrUX —Majestic 493,314Umbrella 538,580checked Jul 31

superb-ai.com477,873 avg · W19▲ 28,651477,873———477,873—Jul 31

Tranco —Radar —CrUX —Majestic 477,873Umbrella —checked Jul 31

handle.com477,886 avg · W19▼ 16,044477,886410,869top 1M—432,725590,065Jul 31

Tranco 410,869Radar top 1MCrUX —Majestic 432,725Umbrella 590,065checked Jul 31

exlyapp.com482,374 avg · W19▼ 3,261482,374362,038top 500k—157,086927,998Jul 31

Tranco 362,038Radar top 500kCrUX —Majestic 157,086Umbrella 927,998checked Jul 31

cityfurnish.com499,665 avg · W19▼ 2,770499,665501,978—top 500k497,351—Jul 31

Tranco 501,978Radar —CrUX top 500kMajestic 497,351Umbrella —checked Jul 31

rune.ai531,555 avg · W19▼ 5,151531,555531,555top 200k———Jul 31

Tranco 531,555Radar top 200kCrUX —Majestic —Umbrella —checked Jul 31

keynua.com547,492 avg · W19▼ 28,886547,492547,492top 1M———Jul 31

Tranco 547,492Radar top 1MCrUX —Majestic —Umbrella —checked Jul 31

ultralig.ht598,329 avg · W19▼ 11,099598,329———598,329—Jul 31

Tranco —Radar —CrUX —Majestic 598,329Umbrella —checked Jul 31

shipper.id605,082 avg · W19▲ 4,224605,082594,119top 500ktop 1M616,044—Jul 31

Tranco 594,119Radar top 500kCrUX top 1MMajestic 616,044Umbrella —checked Jul 31

cuanto.app620,317 avg · W19▲ 20,422620,317——top 1M620,317—Jul 31

Tranco —Radar —CrUX top 1MMajestic 620,317Umbrella —checked Jul 31

nabis.com631,433 avg · W19▼ 13,469631,433375,353top 1M—887,513—Jul 31

Tranco 375,353Radar top 1MCrUX —Majestic 887,513Umbrella —checked Jul 31

nala.com632,361 avg · W19▲ 39,652632,361———632,361—Jul 31

Tranco —Radar —CrUX —Majestic 632,361Umbrella —checked Jul 31

windsor.io632,955 avg · W19, acquired▼ 1,176632,955———632,955—Jul 31

Tranco —Radar —CrUX —Majestic 632,955Umbrella —checked Jul 31

naturallclub.com663,233 avg · W19▼ 26,169663,233———663,233—Jul 31

Tranco —Radar —CrUX —Majestic 663,233Umbrella —checked Jul 31

numero.ai671,617 avg · W19▼ 18,112671,617394,210top 1M—949,023—Jul 31

Tranco 394,210Radar top 1MCrUX —Majestic 949,023Umbrella —checked Jul 31

acciojob.com678,521 avg · W19▲ 14,661678,521678,521top 1Mtop 500k——Jul 31

Tranco 678,521Radar top 1MCrUX top 500kMajestic —Umbrella —checked Jul 31

thejuggernaut.com688,261 avg · W19▼ 14,261688,261985,929——390,592—Jul 31

Tranco 985,929Radar —CrUX —Majestic 390,592Umbrella —checked Jul 31

nowports.com707,871 avg · W19▼ 36,598707,871———707,871—Jul 31

Tranco —Radar —CrUX —Majestic 707,871Umbrella —checked Jul 31

atlascard.com709,239 avg · W19▲ 60,762709,239———709,239—Jul 31

Tranco —Radar —CrUX —Majestic 709,239Umbrella —checked Jul 31

ampup.io730,145 avg · W19▼ 7,141730,145619,272top 1M—841,017—Jul 31

Tranco 619,272Radar top 1MCrUX —Majestic 841,017Umbrella —checked Jul 31

overview.ai773,158 avg · W19▼ 6,558773,158886,712top 500k—659,604—Jul 31

Tranco 886,712Radar top 500kCrUX —Majestic 659,604Umbrella —checked Jul 31

convex.com808,621 avg · W19, acquired▲ 16,591808,621———808,621—Jul 31

Tranco —Radar —CrUX —Majestic 808,621Umbrella —checked Jul 31

flockjay.com817,264 avg · W19▼ 1,863817,264690,767top 1M—943,761—Jul 31

Tranco 690,767Radar top 1MCrUX —Majestic 943,761Umbrella —checked Jul 31

catch.co852,842 avg · W19, acquired▼ 22,927852,842———852,842—Jul 31

Tranco —Radar —CrUX —Majestic 852,842Umbrella —checked Jul 31

convictional.com955,627 avg · W19▲ 3,402955,627———955,627—Jul 31

Tranco —Radar —CrUX —Majestic 955,627Umbrella —checked Jul 31

cocoon.com959,601 avg · W19, acquired▼ 24,891959,601———959,601—Jul 30

Tranco —Radar —CrUX —Majestic 959,601Umbrella —checked Jul 30

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———Jul 19

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 19

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

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

auravision.ai— avg · W19———————

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

autodial.com— avg · W19———————

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

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

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

brainkey.ai— avg · W19———————

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

bunkerhillhealth.com— avg · W19———————

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

centaur.ai— avg · W19———————

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

claytonfarms.com— avg · W19———————

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

credpal.com— avg · W19———————

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

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

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

eclipsefoods.com— avg · W19———————

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

edyst.com— avg · W19———————

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

emilabs.ai— 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

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

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

getdockup.com— avg · W19———————

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

getpulse.in— avg · W19———————

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

globe.exchange— avg · W19———————

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

gotlanded.com— avg · W19——top 1Mtop 1M——Jul 31

Tranco —Radar top 1MCrUX top 1MMajestic —Umbrella —checked Jul 31

helloaxel.com— avg · W19———top 1M——Jul 31

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Jul 31

heycanopy.com— avg · W19———————

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

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

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

instapathbio.com— avg · W19———————

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

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

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

intelline.ca— avg · W19———————

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

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

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

juzibot.com— avg · W19———————

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

latchel.com— avg · W19——top 1M———Jul 31

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 31

leahlabs.com— avg · W19———————

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

marsauto.com— avg · W19———————

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

mobot.io— avg · W19———————

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

100

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

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

101

outrival.com— avg · W19———————

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

102

patternfast.com— avg · W19———————

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

103

pools.events— avg · W19——top 1M———Jul 31

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 31

104

positive.co— avg · W19———————

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

105

probablygenetic.com— avg · W19———————

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

106

pyxai.com— avg · W19———————

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

107

ravn.com— avg · W19———————

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

108

rct.ai— avg · W19———————

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

109

reelables.com— avg · W19———————

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

110

scitok.com— avg · W19———————

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

111

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

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

112

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

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

113

sortingrobotics.com— avg · W19———————

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

114

spirelawfirm.com— avg · W19———————

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

115

springinafrica.com— avg · W19———————

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

116

taalifoods.com— avg · W19———————

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

117

taobotics.com— avg · W19———————

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

118

thriveagric.com— avg · W19———————

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

119

trexorobotics.com— avg · W19———————

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

120

tuprontomx.com— avg · W19———————

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

121

usecaribou.com— avg · W19———————

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

122

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

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

123

voltalabs.com— avg · W19———————

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

124

voting.works— avg · W19———————

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

125

weathercheck.co— avg · W19———————

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

126

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

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

127

xgenomes.com— avg · W19———————

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

128

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

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

Jul 31 06:03sync with the YC sync, 7 sites changed

Jul 30 06:02sync with the YC sync, 15 sites changed

Jul 29 06:03sync with the YC sync, 23 sites changed

Jul 28 06:03sync with the YC sync, 9 sites changed

Jul 27 06:02sync with the YC sync, 6 sites shown

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