Y Combinator Startups

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

99 of 5,218 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

S18 · 99 sites · ← all sites

99 sites, including 22 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

revenuecat.com5,738 avg · S18▼ 1425,7381,819top 500top 500k13,2822,113Oct 29

Tranco 1,819Radar top 500CrUX top 500kMajestic 13,282Umbrella 2,113checked Oct 29

gfi.org63,394 avg · S18▲ 89463,394102,224top 500k—24,563—Oct 29

Tranco 102,224Radar top 500kCrUX —Majestic 24,563Umbrella —checked Oct 29

quo.com126,823 avg · S18▲ 6,564126,82349,427top 50ktop 500k67,263263,779Oct 29

Tranco 49,427Radar top 50kCrUX top 500kMajestic 67,263Umbrella 263,779checked Oct 29

canarytechnologies.com130,153 avg · S18▲ 4,882130,15347,623top 50ktop 100k174,921167,915Oct 29

Tranco 47,623Radar top 50kCrUX top 100kMajestic 174,921Umbrella 167,915checked Oct 29

leena.ai136,326 avg · S18▲ 20,899136,326153,613top 200k—174,42680,938Oct 29

Tranco 153,613Radar top 200kCrUX —Majestic 174,426Umbrella 80,938checked Oct 29

moderntreasury.com174,766 avg · S18▼ 9,981174,766233,858top 500k—115,674—Oct 29

Tranco 233,858Radar top 500kCrUX —Majestic 115,674Umbrella —checked Oct 29

costplusdrugs.com192,839 avg · S18▲ 29,434192,839146,338top 500ktop 500k70,894361,286Oct 29

Tranco 146,338Radar top 500kCrUX top 500kMajestic 70,894Umbrella 361,286checked Oct 29

alphavantage.co225,815 avg · S18▲ 26,053225,81578,810top 50ktop 1M67,714530,920Oct 29

Tranco 78,810Radar top 50kCrUX top 1MMajestic 67,714Umbrella 530,920checked Oct 29

khatabook.com233,555 avg · S18▲ 8,463233,55548,952top 20ktop 500k203,480448,232Oct 29

Tranco 48,952Radar top 20kCrUX top 500kMajestic 203,480Umbrella 448,232checked Oct 29

honeylove.com234,988 avg · S18▲ 61,550234,988103,506top 50ktop 500k357,766243,693Oct 29

Tranco 103,506Radar top 50kCrUX top 500kMajestic 357,766Umbrella 243,693checked Oct 29

mutinyhq.com245,985 avg · S18▲ 27,963245,985374,666top 1M—117,303—Oct 29

Tranco 374,666Radar top 1MCrUX —Majestic 117,303Umbrella —checked Oct 29

animaapp.com273,103 avg · S18▲ 8,858273,103209,624top 200k—107,128502,558Oct 29

Tranco 209,624Radar top 200kCrUX —Majestic 107,128Umbrella 502,558checked Oct 29

ajaib.co.id274,136 avg · S18▼ 3,714274,13699,896top 50ktop 500k212,389510,124Oct 29

Tranco 99,896Radar top 50kCrUX top 500kMajestic 212,389Umbrella 510,124checked Oct 29

cowrywise.com290,015 avg · S18▲ 7,256290,015295,490top 500ktop 500k284,540—Oct 29

Tranco 295,490Radar top 500kCrUX top 500kMajestic 284,540Umbrella —checked Oct 29

papa.com312,383 avg · S18▲ 45,306312,383295,916—top 1M328,849—Oct 29

Tranco 295,916Radar —CrUX top 1MMajestic 328,849Umbrella —checked Oct 29

titan.com324,761 avg · S18▲ 19,125324,761468,031——181,490—Oct 29

Tranco 468,031Radar —CrUX —Majestic 181,490Umbrella —checked Oct 29

momentus.space327,825 avg · S18, public▲ 84,818327,825—top 1M—327,825—Oct 29

Tranco —Radar top 1MCrUX —Majestic 327,825Umbrella —checked Oct 29

embeddables.com350,951 avg · S18▼ 30,816350,951270,556top 500k——431,345Oct 29

Tranco 270,556Radar top 500kCrUX —Majestic —Umbrella 431,345checked Oct 29

quickchat.ai353,697 avg · S18▲ 36,968353,697180,806top 200k—150,824729,460Oct 29

Tranco 180,806Radar top 200kCrUX —Majestic 150,824Umbrella 729,460checked Oct 29

culdesac.com359,125 avg · S18▲ 260,454359,125———359,125—Oct 29

Tranco —Radar —CrUX —Majestic 359,125Umbrella —checked Oct 29

kunduz.com368,432 avg · S18▼ 28,535368,432147,703top 200ktop 100k589,160—Oct 29

Tranco 147,703Radar top 200kCrUX top 100kMajestic 589,160Umbrella —checked Oct 29

vimcal.com379,444 avg · S18▼ 38,633379,444415,819top 500k—343,069—Oct 29

Tranco 415,819Radar top 500kCrUX —Majestic 343,069Umbrella —checked Oct 29

collegepulse.com433,389 avg · S18▲ 9,331433,389———433,389—Oct 29

Tranco —Radar —CrUX —Majestic 433,389Umbrella —checked Oct 29

inscribe.ai455,475 avg · S18▼ 19,109455,475—top 1M—455,475—Oct 29

Tranco —Radar top 1MCrUX —Majestic 455,475Umbrella —checked Oct 29

spate.nyc455,818 avg · S18▼ 50,140455,818———455,818—Oct 29

Tranco —Radar —CrUX —Majestic 455,818Umbrella —checked Oct 29

fintual.comredirected489,172 avg · S18489,172489,172top 1M———Oct 29

Tranco 489,172Radar top 1MCrUX —Majestic —Umbrella —checked Oct 29

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

duffel.com492,604 avg · S18▲ 38,418492,604339,633top 500k—320,548817,632Oct 29

Tranco 339,633Radar top 500kCrUX —Majestic 320,548Umbrella 817,632checked Oct 29

corvus-robotics.com573,274 avg · S18▼ 73,114573,274———573,274—Oct 29

Tranco —Radar —CrUX —Majestic 573,274Umbrella —checked Oct 29

meruhealth.com573,614 avg · S18▲ 101,073573,614———573,614—Oct 29

Tranco —Radar —CrUX —Majestic 573,614Umbrella —checked Oct 29

enveritas.org579,788 avg · S18▼ 91,703579,788—top 1M—579,788—Oct 29

Tranco —Radar top 1MCrUX —Majestic 579,788Umbrella —checked Oct 29

activeloop.ai609,089 avg · S18▼ 27,715609,089915,856——302,321—Oct 29

Tranco 915,856Radar —CrUX —Majestic 302,321Umbrella —checked Oct 29

skydropx.com618,017 avg · S18▼ 46,043618,017356,734top 500ktop 500k556,791940,527Oct 29

Tranco 356,734Radar top 500kCrUX top 500kMajestic 556,791Umbrella 940,527checked Oct 29

easol.com636,385 avg · S18▼ 47,863636,385———636,385—Oct 29

Tranco —Radar —CrUX —Majestic 636,385Umbrella —checked Oct 29

prodigaltech.com649,422 avg · S18▲ 41,247649,422734,114top 1M—564,730—Oct 29

Tranco 734,114Radar top 1MCrUX —Majestic 564,730Umbrella —checked Oct 29

versemedical.com662,614 avg · S18▼ 27,029662,614513,078———812,150Oct 29

Tranco 513,078Radar —CrUX —Majestic —Umbrella 812,150checked Oct 29

useopenwrench.com684,770 avg · S18▲ 50,758684,770684,770top 1M———Oct 29

Tranco 684,770Radar top 1MCrUX —Majestic —Umbrella —checked Oct 29

edenmed.com686,491 avg · S18▼ 59,261686,491739,086top 1M——633,896Oct 29

Tranco 739,086Radar top 1MCrUX —Majestic —Umbrella 633,896checked Oct 29

c16bio.com709,033 avg · S18▼ 85,220709,033———709,033—Oct 29

Tranco —Radar —CrUX —Majestic 709,033Umbrella —checked Oct 29

okcredit.in719,602 avg · S18▼ 7,481719,602925,961——513,242—Oct 29

Tranco 925,961Radar —CrUX —Majestic 513,242Umbrella —checked Oct 29

within.ai719,926 avg · S18719,926———719,926—Oct 19

Tranco —Radar —CrUX —Majestic 719,926Umbrella —checked Oct 19

jitx.com762,837 avg · S18▼ 77,957762,837———762,837—Oct 29

Tranco —Radar —CrUX —Majestic 762,837Umbrella —checked Oct 29

regology.com789,687 avg · S18, acquired▼ 70,467789,687———789,687—Oct 29

Tranco —Radar —CrUX —Majestic 789,687Umbrella —checked Oct 29

pocketworlds.com843,478 avg · S18843,478———843,478—Oct 15

Tranco —Radar —CrUX —Majestic 843,478Umbrella —checked Oct 15

tallpoppy.com900,483 avg · S18900,483———900,483—Oct 15

Tranco —Radar —CrUX —Majestic 900,483Umbrella —checked Oct 15

nestorup.com916,619 avg · S18916,619———916,619—Oct 15

Tranco —Radar —CrUX —Majestic 916,619Umbrella —checked Oct 15

impactive.io928,749 avg · S18, acquired▼ 47,931928,749———928,749—Oct 29

Tranco —Radar —CrUX —Majestic 928,749Umbrella —checked Oct 29

novahq.com930,516 avg · S18, acquired930,516———930,516—Oct 15

Tranco —Radar —CrUX —Majestic 930,516Umbrella —checked Oct 15

shelfengine.comredirected956,644 avg · S18, acquired▼ 170,695956,644———956,644—Oct 29

Tranco —Radar —CrUX —Majestic 956,644Umbrella —checked Oct 29

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

mentalhappy.com956,979 avg · S18956,979———956,979—Oct 19

Tranco —Radar —CrUX —Majestic 956,979Umbrella —checked Oct 19

fourgrowers.com963,370 avg · S18963,370———963,370—Oct 15

Tranco —Radar —CrUX —Majestic 963,370Umbrella —checked Oct 15

aesthetic.comredirected964,086 avg · S18964,086———964,086—Oct 10

Tranco —Radar —CrUX —Majestic 964,086Umbrella —checked Oct 10

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

curebase.ai967,575 avg · S18967,575———967,575—Oct 18

Tranco —Radar —CrUX —Majestic 967,575Umbrella —checked Oct 18

kinside.comredirected974,722 avg · S18, acquired▼ 137,633974,722———974,722—Oct 28

Tranco —Radar —CrUX —Majestic 974,722Umbrella —checked Oct 28

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

hepatx.com987,217 avg · S18987,217———987,217—Sep 19

Tranco —Radar —CrUX —Majestic 987,217Umbrella —checked Sep 19

rebellyous.com999,002 avg · S18▼ 309,826999,002———999,002—Oct 23

Tranco —Radar —CrUX —Majestic 999,002Umbrella —checked Oct 23

64xbio.com— avg · S18———————

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

allotropemed.comgone— avg · S18, acquired———————

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

this domain is gone; the rank is what it left behind — the homepage returns 404

anniecannons.comredirected— avg · S18———————

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

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

apprenticehealth.com— avg · S18———————

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

berbix.comredirected— avg · S18, acquired———————

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

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

bluecargo.io— avg · S18———————

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

botmd.ioredirected— avg · S18———————

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

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

brainhi.com— avg · S18——top 1M———Oct 29

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

calii.com— avg · S18——top 1M———Sep 6

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 6

cbthera.com— avg · S18———————

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

circumventpharmaceuticals.com— avg · S18———————

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

cleargene.com— avg · S18———————

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

coralgenomics.comredirected— avg · S18, acquired———————

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

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

cspa.ioredirected— avg · S18, acquired———————

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

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

datadrivenbioscience.comredirected— avg · S18———————

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

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

demeanor.co— avg · S18, acquired———————

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

dinesafe.org— avg · S18———————

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

doriantherapeutics.comredirected— avg · S18, acquired———————

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

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

dreamcraft.com— avg · S18———————

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

getoxygen.comredirected— avg · S18———————

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

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

happilabs.orgredirected— avg · S18, acquired———————

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

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

helicarrier.studiogone— avg · S18———————

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

this domain is gone; the rank is what it left behind — the homepage returns 404

show 20 more

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.