Y Combinator Startups

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

225 of 4,617 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

S24 · 225 sites · ← all sites

225 live · 15 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

tryhelium.com45,767 avg · S24▲ 5,29445,76747,182top 50k——44,351Sep 14

Tranco 47,182Radar top 50kCrUX —Majestic —Umbrella 44,351checked Sep 14

emergent.sh67,577 avg · S24▼ 24167,57720,864top 20ktop 500k16,952164,916Sep 14

Tranco 20,864Radar top 20kCrUX top 500kMajestic 16,952Umbrella 164,916checked Sep 14

mem0.ai131,738 avg · S24▲ 5,586131,738184,311top 200k—79,165—Sep 14

Tranco 184,311Radar top 200kCrUX —Majestic 79,165Umbrella —checked Sep 14

starcloud.com225,694 avg · S24▲ 24,095225,694———225,694—Sep 14

Tranco —Radar —CrUX —Majestic 225,694Umbrella —checked Sep 14

surebright.com225,959 avg · S24▼ 7,802225,959147,640top 100k——304,278Sep 14

Tranco 147,640Radar top 100kCrUX —Majestic —Umbrella 304,278checked Sep 14

browseros.com266,484 avg · S24▲ 16,040266,484187,360top 100ktop 1M345,607—Sep 14

Tranco 187,360Radar top 100kCrUX top 1MMajestic 345,607Umbrella —checked Sep 14

heroui.com275,358 avg · S24▲ 3,280275,358355,695top 1Mtop 1M195,020—Sep 14

Tranco 355,695Radar top 1MCrUX top 1MMajestic 195,020Umbrella —checked Sep 14

cmux.com282,847 avg · S24▲ 20,437282,847105,279top 20k—512,840230,421Sep 14

Tranco 105,279Radar top 20kCrUX —Majestic 512,840Umbrella 230,421checked Sep 14

anara.com290,145 avg · S24▲ 12,843290,14580,737top 50ktop 100k261,907527,790Sep 14

Tranco 80,737Radar top 50kCrUX top 100kMajestic 261,907Umbrella 527,790checked Sep 14

videogen.io308,896 avg · S24▲ 98308,896380,360top 1Mtop 1M237,431—Sep 14

Tranco 380,360Radar top 1MCrUX top 1MMajestic 237,431Umbrella —checked Sep 14

zeropath.com329,084 avg · S24▼ 5,084329,084———329,084—Sep 14

Tranco —Radar —CrUX —Majestic 329,084Umbrella —checked Sep 14

unsloth.ai329,421 avg · S24▼ 26,092329,421104,944top 200ktop 500k35,675847,645Sep 14

Tranco 104,944Radar top 200kCrUX top 500kMajestic 35,675Umbrella 847,645checked Sep 14

conductor.build423,588 avg · S24▼ 32,699423,588173,887top 100k—221,913874,964Sep 14

Tranco 173,887Radar top 100kCrUX —Majestic 221,913Umbrella 874,964checked Sep 14

weaverobotics.com446,932 avg · S24▲ 30,053446,932———446,932—Sep 14

Tranco —Radar —CrUX —Majestic 446,932Umbrella —checked Sep 14

argil.ai452,702 avg · S24▼ 4,467452,702701,262——204,141—Sep 14

Tranco 701,262Radar —CrUX —Majestic 204,141Umbrella —checked Sep 14

freestyle.sh458,107 avg · S24▼ 3,989458,107424,954top 1M—491,260—Sep 14

Tranco 424,954Radar top 1MCrUX —Majestic 491,260Umbrella —checked Sep 14

usesimple.ai471,755 avg · S24▲ 691471,755471,755top 500k———Sep 14

Tranco 471,755Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14

wordware.ai473,613 avg · S24▲ 4,790473,613741,957——205,269—Sep 14

Tranco 741,957Radar —CrUX —Majestic 205,269Umbrella —checked Sep 14

mitohealth.com477,484 avg · S24▲ 13,744477,484530,924top 1Mtop 1M424,044—Sep 14

Tranco 530,924Radar top 1MCrUX top 1MMajestic 424,044Umbrella —checked Sep 14

undermind.ai514,285 avg · S24▼ 39,554514,285541,778top 500k—486,791—Sep 14

Tranco 541,778Radar top 500kCrUX —Majestic 486,791Umbrella —checked Sep 14

phonely.ai523,941 avg · S24▲ 42,356523,941540,168top 500k—507,713—Sep 14

Tranco 540,168Radar top 500kCrUX —Majestic 507,713Umbrella —checked Sep 14

thundercompute.com530,439 avg · S24▲ 48,425530,439660,599top 1M—400,279—Sep 14

Tranco 660,599Radar top 1MCrUX —Majestic 400,279Umbrella —checked Sep 14

educato.com532,694 avg · S24▲ 58,880532,694532,694top 500ktop 500k——Sep 14

Tranco 532,694Radar top 500kCrUX top 500kMajestic —Umbrella —checked Sep 14

creativemode.net578,620 avg · S24▲ 46,317578,620296,805top 500ktop 500k860,435—Sep 14

Tranco 296,805Radar top 500kCrUX top 500kMajestic 860,435Umbrella —checked Sep 14

autarc.energy588,225 avg · S24▲ 28,299588,225430,028top 1M—746,421—Sep 14

Tranco 430,028Radar top 1MCrUX —Majestic 746,421Umbrella —checked Sep 14

capitol.ai607,073 avg · S24▼ 14,480607,073———607,073—Sep 14

Tranco —Radar —CrUX —Majestic 607,073Umbrella —checked Sep 14

laminar.sh651,918 avg · S24▲ 13,636651,918———651,918—Sep 14

Tranco —Radar —CrUX —Majestic 651,918Umbrella —checked Sep 14

firstwork.com652,228 avg · S24▲ 27,722652,228652,228————Sep 14

Tranco 652,228Radar —CrUX —Majestic —Umbrella —checked Sep 14

mdhub.ai678,032 avg · S24▲ 6,968678,032678,032————Sep 14

Tranco 678,032Radar —CrUX —Majestic —Umbrella —checked Sep 14

taxgpt.com679,024 avg · S24▲ 40,883679,024897,402top 1M—460,646—Sep 14

Tranco 897,402Radar top 1MCrUX —Majestic 460,646Umbrella —checked Sep 14

withgauge.com694,037 avg · S24▲ 55,115694,037———694,037—Sep 14

Tranco —Radar —CrUX —Majestic 694,037Umbrella —checked Sep 14

hamming.ai709,697 avg · S24▲ 48,458709,697———709,697—Sep 14

Tranco —Radar —CrUX —Majestic 709,697Umbrella —checked Sep 14

bluedoor.sh712,246 avg · S24▼ 485712,246712,246top 1M———Sep 14

Tranco 712,246Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

conveo.ai716,394 avg · S24▲ 74,651716,394698,784top 1M—734,003—Sep 14

Tranco 698,784Radar top 1MCrUX —Majestic 734,003Umbrella —checked Sep 14

hexclave.com755,444 avg · S24▲ 21,112755,444———755,444—Sep 14

Tranco —Radar —CrUX —Majestic 755,444Umbrella —checked Sep 14

haystack.sh782,400 avg · S24782,400———782,400—Sep 14

Tranco —Radar —CrUX —Majestic 782,400Umbrella —checked Sep 14

minusx.ai810,632 avg · S24▼ 43,825810,632———810,632—Sep 14

Tranco —Radar —CrUX —Majestic 810,632Umbrella —checked Sep 14

diode.computer817,038 avg · S24▲ 113,251817,038———817,038—Sep 14

Tranco —Radar —CrUX —Majestic 817,038Umbrella —checked Sep 14

overlap.ai820,857 avg · S24▲ 28,958820,857———820,857—Sep 14

Tranco —Radar —CrUX —Majestic 820,857Umbrella —checked Sep 14

voker.ai842,762 avg · S24▼ 206,843842,762———842,762—Sep 14

Tranco —Radar —CrUX —Majestic 842,762Umbrella —checked Sep 14

palmier.io866,217 avg · S24▲ 70,462866,217———866,217—Sep 14

Tranco —Radar —CrUX —Majestic 866,217Umbrella —checked Sep 14

getunbound.ai869,360 avg · S24▲ 32,449869,360869,360top 500k———Sep 14

Tranco 869,360Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14

merlinai.co884,871 avg · S24▼ 16,064884,871———884,871—Sep 14

Tranco —Radar —CrUX —Majestic 884,871Umbrella —checked Sep 14

pokalabs.com891,432 avg · S24891,432———891,432—Sep 14

Tranco —Radar —CrUX —Majestic 891,432Umbrella —checked Sep 14

runpulse.com908,572 avg · S24▲ 33,799908,572———908,572—Sep 14

Tranco —Radar —CrUX —Majestic 908,572Umbrella —checked Sep 14

prohost.ai941,784 avg · S24▲ 30,095941,784941,784top 1M———Sep 14

Tranco 941,784Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

understoodcare.com952,263 avg · S24▲ 31,333952,263952,263————Sep 14

Tranco 952,263Radar —CrUX —Majestic —Umbrella —checked Sep 14

fazeshift.com958,977 avg · S24▲ 21,028958,977———958,977—Sep 14

Tranco —Radar —CrUX —Majestic 958,977Umbrella —checked Sep 14

scape.app966,431 avg · S24966,431966,431top 1M———Sep 14

Tranco 966,431Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

distr.sh976,974 avg · S24976,974———976,974—Aug 31

Tranco —Radar —CrUX —Majestic 976,974Umbrella —checked Aug 31

winfunc.com990,800 avg · S24990,800———990,800—Aug 10

Tranco —Radar —CrUX —Majestic 990,800Umbrella —checked Aug 10

1849.bio— avg · S24———————

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

abelpolice.com— avg · S24———————

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

acxtherapeutics.com— avg · S24———————

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

affil.ai— avg · S24———————

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

alunadata.com— avg · S24———————

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

aminoanalytica.com— avg · S24———————

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

anglera.com— avg · S24———————

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

angstrom-ai.com— avg · S24———————

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

anthrogen.com— avg · S24———————

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

apten.ai— avg · S24———————

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

aresindustries.com— avg · S24———————

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

arva.ai— avg · S24———————

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

assemblyhoa.com— avg · S24———————

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

autopallet.bot— avg · S24———————

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

autumnlabs.io— avg · S24———————

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

azalearobotics.com— avg · S24———————

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

bayesline.com— avg · S24———————

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

benchify.com— avg · S24———————

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

biocartesian.com— avg · S24———————

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

bitstoatoms.com— avg · S24———————

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

blaze.money— avg · S24———————

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

brighterway.ai— avg · S24———————

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

bucket.bot— avg · S24———————

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

cartage.ai— avg · S24——top 1M———Aug 9

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Aug 9

centralhq.com— avg · S24, acquired———————

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

cerulion.com— avg · S24———————

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

cheers.tech— avg · S24———————

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

claimsorted.com— avg · S24———————

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

clearly-ai.com— avg · S24———————

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

cloudglue.dev— avg · S24———————

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

codeviz.ai— avg · S24———————

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

comfydeploy.com— avg · S24———————

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

conductorquantum.com— avg · S24———————

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

dataleap.ai— avg · S24———————

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

dayflow.so— avg · S24——top 1M———Sep 14

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

decisional.com— avg · S24———————

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

deepsim.io— avg · S24———————

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

dench.com— avg · S24———————

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

digitalcarbon.ai— avg · S24———————

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

dimely.com— avg · S24———————

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

distro.app— avg · S24———————

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

dmodel.ai— avg · S24———————

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

dodo.ai— avg · S24———————

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

domu.ai— avg · S24——top 1M———Sep 14

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

doublezero.tech— avg · S24———————

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

drafttherecord.com— avg · S24———————

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

dreamrp.com— avg · S24———————

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

drillbit.com— avg · S24———————

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

100

elayne.com— avg · S24——top 1M———Jul 19

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

101

emberrobotics.com— avg · S24———————

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

102

entangl.com— avg · S24———————

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

103

et-al.io— avg · S24———————

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

104

evolverebiosciences.com— avg · S24———————

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

105

expand.ai— avg · S24———————

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

106

ficra.ai— avg · S24———————

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

107

finny.com— avg · S24———————

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

108

finosu.com— avg · S24——top 1M———Sep 14

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

109

formulainsight.io— avg · S24———————

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

110

fuseinsight.com— avg · S24———————

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

111

getcallback.ai— avg · S24———————

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

112

getpanora.com— avg · S24———————

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

113

getpathpilot.com— avg · S24———————

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

114

getquetzal.com— avg · S24———————

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

115

guardianrf.com— avg · S24———————

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

116

henry.ai— avg · S24———————

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

117

hestus.co— avg · S24———top 1M——Sep 14

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Sep 14

118

himodus.com— avg · S24———————

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

119

hireroger.com— avg · S24———————

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

120

hyrex.io— avg · S24———————

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

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.