Y Combinator Startups

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

83 of 5,025 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

W17 · 83 sites · ← all sites

83 sites, including 17 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

rippling.com15,134 avg · W17▲ 15,14015,13414,544top 10ktop 100k15,37315,484Jul 30

Tranco 14,544Radar top 10kCrUX top 100kMajestic 15,373Umbrella 15,484checked Jul 30

faire.com31,979 avg · W17▲ 1,88131,97910,893top 10ktop 50k12,66772,378Jul 30

Tranco 10,893Radar top 10kCrUX top 50kMajestic 12,667Umbrella 72,378checked Jul 30

brex.com55,698 avg · W17, acquired▲ 12955,69832,807top 50ktop 500k26,147108,140Jul 30

Tranco 32,807Radar top 50kCrUX top 500kMajestic 26,147Umbrella 108,140checked Jul 30

bitrise.io69,350 avg · W17▲ 3,72969,35048,355top 50k—82,51577,181Jul 30

Tranco 48,355Radar top 50kCrUX —Majestic 82,515Umbrella 77,181checked Jul 30

breaker.audioredirected72,398 avg · W17, acquired▲ 27672,398116,694——28,101—Jul 30

Tranco 116,694Radar —CrUX —Majestic 28,101Umbrella —checked Jul 30

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

retool.com75,438 avg · W17▲ 1,31475,43828,862top 20ktop 500k18,400179,052Jul 30

Tranco 28,862Radar top 20kCrUX top 500kMajestic 18,400Umbrella 179,052checked Jul 30

aclu.org86,032 avg · W17▼ 6,58286,0325,356top 100ktop 500k1,384251,356Jul 30

Tranco 5,356Radar top 100kCrUX top 500kMajestic 1,384Umbrella 251,356checked Jul 30

speak.com122,304 avg · W17▼ 1,057122,304166,758top 500ktop 500k77,850—Jul 30

Tranco 166,758Radar top 500kCrUX top 500kMajestic 77,850Umbrella —checked Jul 30

soomgo.com142,059 avg · W17, acquired▲ 1,995142,05965,641top 200ktop 50k218,477—Jul 30

Tranco 65,641Radar top 200kCrUX top 50kMajestic 218,477Umbrella —checked Jul 30

snappr.com184,746 avg · W17▼ 1,487184,746238,639top 500ktop 1M130,853—Jul 30

Tranco 238,639Radar top 500kCrUX top 1MMajestic 130,853Umbrella —checked Jul 30

veryfi.com214,832 avg · W17▲ 708214,832128,607top 50k—350,880165,008Jul 30

Tranco 128,607Radar top 50kCrUX —Majestic 350,880Umbrella 165,008checked Jul 30

effectivealtruism.org233,170 avg · W17▼ 50,127233,17066,298top 50k—29,257603,955Jul 30

Tranco 66,298Radar top 50kCrUX —Majestic 29,257Umbrella 603,955checked Jul 30

plane.com285,150 avg · W17▲ 314285,150254,801top 1M—315,498—Jul 30

Tranco 254,801Radar top 1MCrUX —Majestic 315,498Umbrella —checked Jul 30

ambient.ai337,896 avg · W17▲ 11,954337,896176,088top 100k—499,704—Jul 30

Tranco 176,088Radar top 100kCrUX —Majestic 499,704Umbrella —checked Jul 30

livelyme.com365,797 avg · W17▼ 2,615365,797262,054top 500ktop 1M336,072499,266Jul 30

Tranco 262,054Radar top 500kCrUX top 1MMajestic 336,072Umbrella 499,266checked Jul 30

request.network372,474 avg · W17▼ 47372,474558,652top 1M—186,296—Jul 30

Tranco 558,652Radar top 1MCrUX —Majestic 186,296Umbrella —checked Jul 30

nanonets.com392,113 avg · W17▼ 12,023392,113149,920top 500ktop 1M52,892973,528Jul 30

Tranco 149,920Radar top 500kCrUX top 1MMajestic 52,892Umbrella 973,528checked Jul 30

extern.com408,880 avg · W17▲ 5,885408,880309,397top 500ktop 1M508,363—Jul 30

Tranco 309,397Radar top 500kCrUX top 1MMajestic 508,363Umbrella —checked Jul 30

upkeep.com419,341 avg · W17, acquired▼ 73,818419,341253,878top 500k—78,283925,863Jul 30

Tranco 253,878Radar top 500kCrUX —Majestic 78,283Umbrella 925,863checked Jul 30

getscopeai.com486,755 avg · W17, acquired▲ 2,854486,755————486,755Jul 30

Tranco —Radar —CrUX —Majestic —Umbrella 486,755checked Jul 30

tokentransit.com502,973 avg · W17▼ 3,076502,973283,976top 500ktop 1M429,926795,016Jul 30

Tranco 283,976Radar top 500kCrUX top 1MMajestic 429,926Umbrella 795,016checked Jul 30

humi.caredirected518,658 avg · W17, acquired▲ 3,697518,658327,523top 500k—348,704879,748Jul 30

Tranco 327,523Radar top 500kCrUX —Majestic 348,704Umbrella 879,748checked Jul 30

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

rankscience.com536,602 avg · W17▲ 9,841536,602———536,602—Jul 30

Tranco —Radar —CrUX —Majestic 536,602Umbrella —checked Jul 30

buypower.ng537,869 avg · W17▲ 11,100537,869537,869top 1Mtop 500k——Jul 30

Tranco 537,869Radar top 1MCrUX top 500kMajestic —Umbrella —checked Jul 30

collectly.co556,331 avg · W17▲ 32,053556,331474,510top 1M—638,152—Jul 30

Tranco 474,510Radar top 1MCrUX —Majestic 638,152Umbrella —checked Jul 30

getreliancehealth.com567,158 avg · W17▲ 23,788567,158——top 1M567,158—Jul 30

Tranco —Radar —CrUX top 1MMajestic 567,158Umbrella —checked Jul 30

peer5.comgone652,516 avg · W17, acquired▼ 7,330652,516555,773——749,258—Jul 30

Tranco 555,773Radar —CrUX —Majestic 749,258Umbrella —checked Jul 30

this domain is gone; the rank is what it left behind — no A or AAAA record

weflywright.com655,248 avg · W17▼ 12,857655,248———655,248—Jul 30

Tranco —Radar —CrUX —Majestic 655,248Umbrella —checked Jul 30

scaphold.ioredirected682,674 avg · W17, acquired▼ 29,887682,674———682,674—Jul 30

Tranco —Radar —CrUX —Majestic 682,674Umbrella —checked Jul 30

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

armory.io756,613 avg · W17, acquired▲ 43,570756,613———756,613—Jul 30

Tranco —Radar —CrUX —Majestic 756,613Umbrella —checked Jul 30

mirror-ai.com768,959 avg · W17▼ 18,500768,959———768,959—Jul 30

Tranco —Radar —CrUX —Majestic 768,959Umbrella —checked Jul 30

hogaru.com785,108 avg · W17▼ 45,944785,108785,108—top 500k——Jul 30

Tranco 785,108Radar —CrUX top 500kMajestic —Umbrella —checked Jul 30

onefin.in809,348 avg · W17▼ 83,085809,348809,348————Jul 30

Tranco 809,348Radar —CrUX —Majestic —Umbrella —checked Jul 30

thesleepreset.com813,185 avg · W17▼ 120,276813,185921,703top 1M—704,666—Jul 30

Tranco 921,703Radar top 1MCrUX —Majestic 704,666Umbrella —checked Jul 30

tizeti.com831,988 avg · W17▼ 108,535831,988831,988————Jul 30

Tranco 831,988Radar —CrUX —Majestic —Umbrella —checked Jul 30

bulletin.cogone848,576 avg · W17, acquired▲ 16,544848,576———848,576—Jul 30

Tranco —Radar —CrUX —Majestic 848,576Umbrella —checked Jul 30

this domain is gone; the rank is what it left behind — no A or AAAA record

solugen.com864,325 avg · W17▲ 36,959864,325———864,325—Jul 30

Tranco —Radar —CrUX —Majestic 864,325Umbrella —checked Jul 30

nomba.com909,394 avg · W17▼ 3,543909,394970,772——848,015—Jul 30

Tranco 970,772Radar —CrUX —Majestic 848,015Umbrella —checked Jul 30

tolemi.com935,297 avg · W17935,297————935,297Jul 25

Tranco —Radar —CrUX —Majestic —Umbrella 935,297checked Jul 25

themednet.org951,679 avg · W17951,679—top 1M——951,679Jul 30

Tranco —Radar top 1MCrUX —Majestic —Umbrella 951,679checked Jul 30

aellaapp.com— avg · W17———————

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

alemhealth.com— avg · W17———————

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

aon3d.com— avg · W17———————

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

apozy.comgone— avg · W17———————

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

this domain is gone; the rank is what it left behind — no A or AAAA record

arthena.comredirected— avg · W17, acquired———————

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

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

asktetra.com— avg · W17, acquired———————

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

bios.health— avg · W17———————

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

bloomtext.com— avg · W17———————

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

bountiful.ag— avg · W17———————

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

bulkmro.com— avg · W17———————

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

cleargenetics.comredirected— avg · W17, acquired———————

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

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

clipboardworks.com— avg · W17——top 1Mtop 1M——Jul 30

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

dabba.com— avg · W17———————

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

delee.coredirected— avg · W17———————

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

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

dosteducation.com— avg · W17———————

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

downloadwavy.com— avg · W17, acquired———————

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

fastjvm.com— avg · W17———————

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

fiix.io— avg · W17, acquired———————

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

flyvoly.com— avg · W17, acquired———————

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

helixnano.com— avg · W17———————

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

hivyapp.comparked— avg · W17, acquired———————

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

this domain is parked; the rank measures the placeholder, not the company — the domain is on namebrightdns.com's nameservers, a domain sale platform

indeelabs.com— avg · W17———————

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

kidpass.comredirected— avg · W17, acquired——top 1M———Jul 19

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

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

ledgerinvesting.com— avg · W17———————

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

loopsupport.com— avg · W17, acquired———————

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

lvl5.ai— avg · W17, acquired———————

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

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.