Y Combinator Startups

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

149 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

W20 · 149 sites · ← all sites

149 live · 20 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

posthog.com5,805 avg · W20▲ 1105,8052,220top 1ktop 500k11,9783,217Jul 30

Tranco 2,220Radar top 1kCrUX top 500kMajestic 11,978Umbrella 3,217checked Jul 30

whatnot.com22,304 avg · W20▲ 1,62322,3047,729top 5ktop 50k32,91226,271Jul 30

Tranco 7,729Radar top 5kCrUX top 50kMajestic 32,912Umbrella 26,271checked Jul 30

raycast.com38,002 avg · W20▼ 4138,00218,608top 10ktop 500k21,98973,408Jul 30

Tranco 18,608Radar top 10kCrUX top 500kMajestic 21,989Umbrella 73,408checked Jul 30

fly.io80,715 avg · W20▼ 4,19280,71527,681top 20ktop 500k18,881195,582Jul 30

Tranco 27,681Radar top 20kCrUX top 500kMajestic 18,881Umbrella 195,582checked Jul 30

usemotion.com108,854 avg · W20▼ 6,310108,85443,752top 50ktop 1M27,972254,837Jul 30

Tranco 43,752Radar top 50kCrUX top 1MMajestic 27,972Umbrella 254,837checked Jul 30

facio.com.br109,790 avg · W20▼ 5,963109,79021,101top 100ktop 10k—198,478Jul 30

Tranco 21,101Radar top 100kCrUX top 10kMajestic —Umbrella 198,478checked Jul 30

junction.com112,095 avg · W20▲ 402112,09576,348top 100k——147,841Jul 30

Tranco 76,348Radar top 100kCrUX —Majestic —Umbrella 147,841checked Jul 30

taiv.tv160,107 avg · W20▲ 1,266160,107160,107top 100k———Jul 30

Tranco 160,107Radar top 100kCrUX —Majestic —Umbrella —checked Jul 30

edurev.in202,291 avg · W20▼ 20,202202,29136,223top 50ktop 50k109,675460,976Jul 30

Tranco 36,223Radar top 50kCrUX top 50kMajestic 109,675Umbrella 460,976checked Jul 30

recall.ai215,665 avg · W20▲ 9,785215,66560,056top 50ktop 1M150,327436,612Jul 30

Tranco 60,056Radar top 50kCrUX top 1MMajestic 150,327Umbrella 436,612checked Jul 30

hiration.com224,097 avg · W20▲ 1,384224,097331,591top 1M—116,603—Jul 30

Tranco 331,591Radar top 1MCrUX —Majestic 116,603Umbrella —checked Jul 30

useparagon.com228,151 avg · W20▲ 5,838228,151144,238top 100k—426,029114,187Jul 30

Tranco 144,238Radar top 100kCrUX —Majestic 426,029Umbrella 114,187checked Jul 30

replicate.com242,410 avg · W20, acquired▲ 10,690242,41029,436top 50ktop 100k11,442686,353Jul 30

Tranco 29,436Radar top 50kCrUX top 100kMajestic 11,442Umbrella 686,353checked Jul 30

jitter.video245,153 avg · W20▲ 14,475245,15362,138top 50ktop 100k161,407511,914Jul 30

Tranco 62,138Radar top 50kCrUX top 100kMajestic 161,407Umbrella 511,914checked Jul 30

todesktop.com251,583 avg · W20▲ 4,534251,58322,399top 10k—651,26881,083Jul 30

Tranco 22,399Radar top 10kCrUX —Majestic 651,268Umbrella 81,083checked Jul 30

h1.co280,918 avg · W20▼ 8,867280,918221,250top 100k—340,586—Jul 30

Tranco 221,250Radar top 100kCrUX —Majestic 340,586Umbrella —checked Jul 30

airbyte.com289,836 avg · W20▲ 3,114289,836130,029top 200k—50,962688,516Jul 30

Tranco 130,029Radar top 200kCrUX —Majestic 50,962Umbrella 688,516checked Jul 30

humanly.io291,163 avg · W20▲ 15,572291,163193,922top 200k—318,657360,911Jul 30

Tranco 193,922Radar top 200kCrUX —Majestic 318,657Umbrella 360,911checked Jul 30

deepsource.com298,434 avg · W20▲ 2,681298,434411,032top 500k—185,836—Jul 30

Tranco 411,032Radar top 500kCrUX —Majestic 185,836Umbrella —checked Jul 30

upflow.io316,930 avg · W20▼ 726316,930422,950top 1M—210,909—Jul 30

Tranco 422,950Radar top 1MCrUX —Majestic 210,909Umbrella —checked Jul 30

letterdrop.com322,000 avg · W20▲ 11,826322,000———322,000—Jul 30

Tranco —Radar —CrUX —Majestic 322,000Umbrella —checked Jul 30

explo.co335,330 avg · W20▲ 19,967335,330241,017top 200k—507,715257,257Jul 30

Tranco 241,017Radar top 200kCrUX —Majestic 507,715Umbrella 257,257checked Jul 30

ello.com365,481 avg · W20▲ 45,911365,481———365,481—Jul 30

Tranco —Radar —CrUX —Majestic 365,481Umbrella —checked Jul 30

cortex.io370,151 avg · W20▲ 6,964370,151515,124top 500k—225,178—Jul 30

Tranco 515,124Radar top 500kCrUX —Majestic 225,178Umbrella —checked Jul 30

belvo.com398,808 avg · W20▲ 663398,808249,131top 200ktop 1M422,670524,622Jul 30

Tranco 249,131Radar top 200kCrUX top 1MMajestic 422,670Umbrella 524,622checked Jul 30

yassir.com411,314 avg · W20▲ 7,260411,314404,760top 500ktop 500k417,868—Jul 30

Tranco 404,760Radar top 500kCrUX top 500kMajestic 417,868Umbrella —checked Jul 30

electroneek.com414,251 avg · W20▲ 3,846414,251387,174top 500k—441,328—Jul 30

Tranco 387,174Radar top 500kCrUX —Majestic 441,328Umbrella —checked Jul 30

pulley.com415,613 avg · W20▲ 36,585415,613373,608top 500k—290,035583,196Jul 30

Tranco 373,608Radar top 500kCrUX —Majestic 290,035Umbrella 583,196checked Jul 30

tagmango.com419,403 avg · W20▲ 8,243419,403188,858top 200ktop 1M599,041470,310Jul 30

Tranco 188,858Radar top 200kCrUX top 1MMajestic 599,041Umbrella 470,310checked Jul 30

typedream.com422,561 avg · W20, acquired▲ 1,327422,561568,473top 1M—276,648—Jul 30

Tranco 568,473Radar top 1MCrUX —Majestic 276,648Umbrella —checked Jul 30

openbiome.org436,889 avg · W20▼ 14,925436,889———436,889—Jul 30

Tranco —Radar —CrUX —Majestic 436,889Umbrella —checked Jul 30

metaplane.dev442,909 avg · W20, acquired▼ 4,074442,909———442,909—Jul 30

Tranco —Radar —CrUX —Majestic 442,909Umbrella —checked Jul 30

investbamboo.com444,037 avg · W20▼ 8,970444,037367,440top 500ktop 1M520,633—Jul 30

Tranco 367,440Radar top 500kCrUX top 1MMajestic 520,633Umbrella —checked Jul 30

joincandidhealth.com445,792 avg · W20▲ 1,326445,792286,342top 500k——605,241Jul 30

Tranco 286,342Radar top 500kCrUX —Majestic —Umbrella 605,241checked Jul 30

99minutos.com474,679 avg · W20▼ 7,881474,679179,873top 500ktop 1M769,484—Jul 30

Tranco 179,873Radar top 500kCrUX top 1MMajestic 769,484Umbrella —checked Jul 30

alude.com.br484,641 avg · W20▼ 2,455484,641484,641top 500ktop 1M——Jul 30

Tranco 484,641Radar top 500kCrUX top 1MMajestic —Umbrella —checked Jul 30

getbenepass.com497,008 avg · W20▼ 23,133497,008460,482top 1M—297,533733,010Jul 30

Tranco 460,482Radar top 1MCrUX —Majestic 297,533Umbrella 733,010checked Jul 30

cron.com512,276 avg · W20, acquired▲ 33,650512,276———512,276—Jul 30

Tranco —Radar —CrUX —Majestic 512,276Umbrella —checked Jul 30

dashworks.ai545,455 avg · W20, acquired▲ 25,082545,455———545,455—Jul 30

Tranco —Radar —CrUX —Majestic 545,455Umbrella —checked Jul 30

tryriot.com548,932 avg · W20▼ 5,186548,932285,068top 200k—712,647649,082Jul 30

Tranco 285,068Radar top 200kCrUX —Majestic 712,647Umbrella 649,082checked Jul 30

myworkpay.com625,209 avg · W20▲ 24,828625,209707,361top 1M—543,057—Jul 30

Tranco 707,361Radar top 1MCrUX —Majestic 543,057Umbrella —checked Jul 30

fitnessai.com634,045 avg · W20, acquired▲ 5,381634,045981,675——286,415—Jul 30

Tranco 981,675Radar —CrUX —Majestic 286,415Umbrella —checked Jul 30

havenservicing.com648,945 avg · W20▲ 19,784648,945645,689top 1M——652,200Jul 30

Tranco 645,689Radar top 1MCrUX —Majestic —Umbrella 652,200checked Jul 30

zeorouteplanner.com651,605 avg · W20▼ 33,363651,605361,784top 500k—941,426—Jul 30

Tranco 361,784Radar top 500kCrUX —Majestic 941,426Umbrella —checked Jul 30

usestable.com658,334 avg · W20▲ 31,297658,334659,318top 1M—657,349—Jul 30

Tranco 659,318Radar top 1MCrUX —Majestic 657,349Umbrella —checked Jul 30

atmo.ai669,970 avg · W20▲ 10,324669,970———669,970—Jul 30

Tranco —Radar —CrUX —Majestic 669,970Umbrella —checked Jul 30

vori.com675,291 avg · W20▲ 4,707675,291675,291top 1M———Jul 30

Tranco 675,291Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

handoff.ai698,545 avg · W20▲ 32,302698,545550,430top 500k—846,660—Jul 30

Tranco 550,430Radar top 500kCrUX —Majestic 846,660Umbrella —checked Jul 30

aiosmedical.com699,610 avg · W20▲ 14,955699,610682,434top 1M——716,786Jul 30

Tranco 682,434Radar top 1MCrUX —Majestic —Umbrella 716,786checked Jul 30

linkana.com705,590 avg · W20▼ 10,553705,590427,706top 200k—712,210976,853Jul 30

Tranco 427,706Radar top 200kCrUX —Majestic 712,210Umbrella 976,853checked Jul 30

sinai.com723,615 avg · W20▼ 49,707723,615———723,615—Jul 30

Tranco —Radar —CrUX —Majestic 723,615Umbrella —checked Jul 30

postera.ai749,106 avg · W20▼ 4,846749,106———749,106—Jul 30

Tranco —Radar —CrUX —Majestic 749,106Umbrella —checked Jul 30

trykarat.com756,378 avg · W20▲ 49,141756,378—top 1M—756,378—Jul 30

Tranco —Radar top 1MCrUX —Majestic 756,378Umbrella —checked Jul 30

nexu.mx778,579 avg · W20▲ 4,127778,579——top 1M778,579—Jul 30

Tranco —Radar —CrUX top 1MMajestic 778,579Umbrella —checked Jul 30

phonic.ai780,592 avg · W20, acquired▲ 19,657780,592———780,592—Jul 30

Tranco —Radar —CrUX —Majestic 780,592Umbrella —checked Jul 30

ophelia.com797,147 avg · W20▼ 261797,147917,447—top 1M676,846—Jul 30

Tranco 917,447Radar —CrUX top 1MMajestic 676,846Umbrella —checked Jul 30

fondeadora.com806,552 avg · W20▲ 15,842806,552———806,552—Jul 30

Tranco —Radar —CrUX —Majestic 806,552Umbrella —checked Jul 30

jetadmin.io810,243 avg · W20▲ 37,678810,243854,896top 500k—765,589—Jul 30

Tranco 854,896Radar top 500kCrUX —Majestic 765,589Umbrella —checked Jul 30

querypie.com811,736 avg · W20▲ 178,219811,736———811,736—Jul 30

Tranco —Radar —CrUX —Majestic 811,736Umbrella —checked Jul 30

loophealth.com830,222 avg · W20▲ 24,863830,222—top 1M—830,222—Jul 30

Tranco —Radar top 1MCrUX —Majestic 830,222Umbrella —checked Jul 30

anglehealth.com841,237 avg · W20▲ 15,803841,237878,034top 1M—965,682679,996Jul 30

Tranco 878,034Radar top 1MCrUX —Majestic 965,682Umbrella 679,996checked Jul 30

inaccord.com921,356 avg · W20▼ 12,661921,356946,267top 500k——896,445Jul 30

Tranco 946,267Radar top 500kCrUX —Majestic —Umbrella 896,445checked Jul 30

buildbuddy.io926,523 avg · W20▲ 18,196926,523899,095top 500k—953,951—Jul 30

Tranco 899,095Radar top 500kCrUX —Majestic 953,951Umbrella —checked Jul 30

datasaur.ai954,092 avg · W20▲ 11,918954,092———954,092—Jul 30

Tranco —Radar —CrUX —Majestic 954,092Umbrella —checked Jul 30

borong.com979,082 avg · W20▼ 76,370979,082979,082top 500k———Jul 30

Tranco 979,082Radar top 500kCrUX —Majestic —Umbrella —checked Jul 30

release.com989,280 avg · W20▼ 5,640989,280———989,280—Jul 28

Tranco —Radar —CrUX —Majestic 989,280Umbrella —checked Jul 28

abalonebio.com— avg · W20———————

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

ablejobs.co— avg · W20, acquired———————

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

adenhq.com— avg · W20———————

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

algenbio.com— avg · W20———————

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

altaytherapeutics.com— avg · W20———————

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

ansabio.com— avg · W20———————

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

avion.health— avg · W20———————

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

bego.ai— avg · W20———————

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

bikry.com— avg · W20———————

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

breezeful.com— avg · W20———————

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

crowdforce.io— avg · W20, acquired———————

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

daedalus.de— avg · W20———————

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

deepmeditate.com— avg · W20———————

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

delt.ai— avg · W20, acquired———————

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

dittowords.com— avg · W20——top 1M———Jul 30

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

docvita.com— avg · W20———————

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

dropprintgen.com— avg · W20, acquired———————

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

equatortherapeutics.com— avg · W20———————

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

eternal.gg— avg · W20, acquired———————

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

ezeit.ai— avg · W20———————

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

factoredquality.com— avg · W20, acquired———————

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

farcast.com— avg · W20———————

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

farmtheory.in— avg · W20———————

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

finlens.app— avg · W20———————

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

flowdash.com— avg · W20, acquired———————

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

flowglad.com— avg · W20———————

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

futuralabs.io— avg · W20———————

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

genecis.co— avg · W20———————

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

generalproximity.bio— avg · W20———————

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

getkosh.com— avg · W20———————

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

getsomatic.com— avg · W20———————

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

gosavvy.com— avg · W20, acquired———————

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

guruhotel.com— avg · W20———————

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

100

handl.ai— avg · W20———————

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

101

healthlane.co— avg · W20———————

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

102

hent.com.br— avg · W20, acquired———————

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

103

heyplura.com— avg · W20———————

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

104

hiresweet.com— avg · W20——top 1M———Jul 30

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

105

infield.ai— avg · W20———————

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

106

isabl.io— avg · W20———————

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

107

jenfi.com— avg · W20———————

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

108

kinter.ai— avg · W20———————

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

109

logarithmlabs.com— avg · W20———————

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

110

menten.ai— avg · W20———————

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

111

morphlelabs.com— avg · W20——top 1M———Jul 30

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

112

nextmv.io— avg · W20, acquired———————

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

113

nomic.bio— avg · W20———————

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

114

ochre-bio.com— avg · W20———————

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

115

odastudio.ai— avg · W20———————

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

116

okayhq.com— avg · W20, acquired———————

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

117

onkaiten.com— avg · W20———————

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

118

openunit.com— avg · W20———————

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

119

operator.io— avg · W20———————

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

120

pahamify.com— avg · W20——top 1Mtop 1M——Jul 30

Tranco —Radar top 1MCrUX top 1MMajestic —Umbrella —checked Jul 30

show 20 more

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

History · every change, public

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, 7 sites changed

Jul 26 06:03sync with the YC sync, 4 sites changed

Jul 25 06:03sync with the YC sync, 2 sites shown

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