Y Combinator Startups

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

351 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

W22 · 351 sites · ← all sites

351 sites, including 33 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

unlayer.com79,045 avg · W22▲ 6,95779,04550,947top 50k—149,99636,192Jul 30

Tranco 50,947Radar top 50kCrUX —Majestic 149,996Umbrella 36,192checked Jul 30

mintlify.com92,301 avg · W22▲ 7,43292,30139,468top 50ktop 1M14,747222,688Jul 30

Tranco 39,468Radar top 50kCrUX top 1MMajestic 14,747Umbrella 222,688checked Jul 30

growthbook.io97,283 avg · W22▲ 65797,2834,258top 2k—280,1787,413Jul 30

Tranco 4,258Radar top 2kCrUX —Majestic 280,178Umbrella 7,413checked Jul 30

voize.deredirected100,439 avg · W22▲ 970100,439100,439top 200k———Jul 30

Tranco 100,439Radar top 200kCrUX —Majestic —Umbrella —checked Jul 30

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

uberduck.ai110,415 avg · W22▲ 111110,415170,341top 1Mtop 1M50,489—Jul 30

Tranco 170,341Radar top 1MCrUX top 1MMajestic 50,489Umbrella —checked Jul 30

theankler.com115,481 avg · W22▲ 300115,481174,102top 500ktop 1M56,860—Jul 30

Tranco 174,102Radar top 500kCrUX top 1MMajestic 56,860Umbrella —checked Jul 30

take.app188,711 avg · W22▲ 4,732188,711280,108top 500k—97,313—Jul 30

Tranco 280,108Radar top 500kCrUX —Majestic 97,313Umbrella —checked Jul 30

atlas.so193,270 avg · W22▲ 7,171193,270150,340top 100k——236,200Jul 30

Tranco 150,340Radar top 100kCrUX —Majestic —Umbrella 236,200checked Jul 30

blink.new194,636 avg · W22▲ 1,563194,636165,454top 200ktop 500k223,818—Jul 30

Tranco 165,454Radar top 200kCrUX top 500kMajestic 223,818Umbrella —checked Jul 30

trackingplan.com219,812 avg · W22▲ 2,830219,81232,679top 20k—589,48737,271Jul 30

Tranco 32,679Radar top 20kCrUX —Majestic 589,487Umbrella 37,271checked Jul 30

spinach.ai242,172 avg · W22▼ 462242,172355,141top 1M—129,203—Jul 30

Tranco 355,141Radar top 1MCrUX —Majestic 129,203Umbrella —checked Jul 30

blitzllama.com242,815 avg · W22, acquired▼ 7,175242,815241,735top 200k——243,895Jul 30

Tranco 241,735Radar top 200kCrUX —Majestic —Umbrella 243,895checked Jul 30

speechly.comredirected264,466 avg · W22, acquired▼ 3,408264,466264,466————Jul 30

Tranco 264,466Radar —CrUX —Majestic —Umbrella —checked Jul 30

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

humand.co271,519 avg · W22▼ 1,092271,51954,099top 50ktop 500k626,061134,397Jul 30

Tranco 54,099Radar top 50kCrUX top 500kMajestic 626,061Umbrella 134,397checked Jul 30

mutable.aigone273,718 avg · W22, acquired▲ 324273,718403,187——144,248—Jul 30

Tranco 403,187Radar —CrUX —Majestic 144,248Umbrella —checked Jul 30

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

optery.com312,069 avg · W22▲ 15,508312,069327,291top 500ktop 1M296,846—Jul 30

Tranco 327,291Radar top 500kCrUX top 1MMajestic 296,846Umbrella —checked Jul 30

dealls.com315,021 avg · W22▼ 14,403315,02167,762top 200ktop 50k246,820630,481Jul 30

Tranco 67,762Radar top 200kCrUX top 50kMajestic 246,820Umbrella 630,481checked Jul 30

velt.dev318,696 avg · W22▲ 27,238318,696419,670top 1M——217,721Jul 30

Tranco 419,670Radar top 1MCrUX —Majestic —Umbrella 217,721checked Jul 30

grey.co327,070 avg · W22▲ 6,542327,070352,746top 500ktop 1M301,394—Jul 30

Tranco 352,746Radar top 500kCrUX top 1MMajestic 301,394Umbrella —checked Jul 30

loops.so329,381 avg · W22▲ 14,196329,381381,322top 200k—277,440—Jul 30

Tranco 381,322Radar top 200kCrUX —Majestic 277,440Umbrella —checked Jul 30

onorca.dev334,842 avg · W22▲ 41,971334,842139,852top 50k——529,832Jul 30

Tranco 139,852Radar top 50kCrUX —Majestic —Umbrella 529,832checked Jul 30

hyperbeam.com335,028 avg · W22▲ 21,103335,028120,099top 200ktop 100k549,957—Jul 30

Tranco 120,099Radar top 200kCrUX top 100kMajestic 549,957Umbrella —checked Jul 30

netmaker.io339,732 avg · W22▲ 11,662339,732383,791top 200k—295,673—Jul 30

Tranco 383,791Radar top 200kCrUX —Majestic 295,673Umbrella —checked Jul 30

beyond-aero.com369,478 avg · W22▲ 2,822369,478———369,478—Jul 30

Tranco —Radar —CrUX —Majestic 369,478Umbrella —checked Jul 30

courtyard.io389,974 avg · W22▲ 69,588389,974106,240top 50ktop 500k472,636591,045Jul 30

Tranco 106,240Radar top 50kCrUX top 500kMajestic 472,636Umbrella 591,045checked Jul 30

propelauth.com406,578 avg · W22▲ 9,383406,578225,518top 500k—407,521586,694Jul 30

Tranco 225,518Radar top 500kCrUX —Majestic 407,521Umbrella 586,694checked Jul 30

realitydefender.com417,566 avg · W22▲ 10,027417,566659,811——175,321—Jul 30

Tranco 659,811Radar —CrUX —Majestic 175,321Umbrella —checked Jul 30

requestly.com420,560 avg · W22, acquired▲ 20,001420,560578,857top 1M—262,262—Jul 30

Tranco 578,857Radar top 1MCrUX —Majestic 262,262Umbrella —checked Jul 30

firezone.dev428,361 avg · W22▼ 927428,361182,486top 100k—674,235—Jul 30

Tranco 182,486Radar top 100kCrUX —Majestic 674,235Umbrella —checked Jul 30

omoi.com431,756 avg · W22▼ 3,234431,756431,756top 1Mtop 500k——Jul 30

Tranco 431,756Radar top 1MCrUX top 500kMajestic —Umbrella —checked Jul 30

aspora.com433,841 avg · W22▲ 63,412433,841296,870top 200ktop 1M—570,812Jul 30

Tranco 296,870Radar top 200kCrUX top 1MMajestic —Umbrella 570,812checked Jul 30

peakflo.co436,693 avg · W22▲ 18,201436,693—top 1M—436,693—Jul 30

Tranco —Radar top 1MCrUX —Majestic 436,693Umbrella —checked Jul 30

vendoo.co440,334 avg · W22▲ 2,406440,334102,561top 100k—475,062743,380Jul 30

Tranco 102,561Radar top 100kCrUX —Majestic 475,062Umbrella 743,380checked Jul 30

trellus.ai446,403 avg · W22▼ 12,099446,403209,508top 500k—683,298—Jul 30

Tranco 209,508Radar top 500kCrUX —Majestic 683,298Umbrella —checked Jul 30

remihq.com448,224 avg · W22▼ 16,730448,224448,224top 1M———Jul 30

Tranco 448,224Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

shaped.ai471,685 avg · W22▲ 20,146471,685615,122——328,248—Jul 30

Tranco 615,122Radar —CrUX —Majestic 328,248Umbrella —checked Jul 30

heptabase.com481,453 avg · W22▲ 9,004481,453615,276top 500k—347,630—Jul 30

Tranco 615,276Radar top 500kCrUX —Majestic 347,630Umbrella —checked Jul 30

cypherhq.io493,563 avg · W22▲ 23,138493,563———493,563—Jul 30

Tranco —Radar —CrUX —Majestic 493,563Umbrella —checked Jul 30

cogram.com494,830 avg · W22▲ 13,790494,830601,176——388,483—Jul 30

Tranco 601,176Radar —CrUX —Majestic 388,483Umbrella —checked Jul 30

pina.id499,301 avg · W22▲ 19,257499,301———499,301—Jul 30

Tranco —Radar —CrUX —Majestic 499,301Umbrella —checked Jul 30

cerebrium.ai507,632 avg · W22▲ 221507,632569,070top 1M—446,193—Jul 30

Tranco 569,070Radar top 1MCrUX —Majestic 446,193Umbrella —checked Jul 30

venue.ink508,373 avg · W22▲ 37,171508,373212,685top 200ktop 500k—804,061Jul 30

Tranco 212,685Radar top 200kCrUX top 500kMajestic —Umbrella 804,061checked Jul 30

flagright.com513,141 avg · W22▲ 11,024513,141738,130top 1M—288,151—Jul 30

Tranco 738,130Radar top 1MCrUX —Majestic 288,151Umbrella —checked Jul 30

nyckel.com517,775 avg · W22▲ 29,403517,775434,878top 500ktop 1M600,672—Jul 30

Tranco 434,878Radar top 500kCrUX top 1MMajestic 600,672Umbrella —checked Jul 30

dartai.com542,630 avg · W22▲ 259542,630695,961top 1M—389,298—Jul 30

Tranco 695,961Radar top 1MCrUX —Majestic 389,298Umbrella —checked Jul 30

theneo.io549,151 avg · W22▲ 29,352549,151454,676top 500k—372,907819,869Jul 30

Tranco 454,676Radar top 500kCrUX —Majestic 372,907Umbrella 819,869checked Jul 30

joinfleek.com549,482 avg · W22▼ 10,152549,482258,196top 200ktop 500k840,768—Jul 30

Tranco 258,196Radar top 200kCrUX top 500kMajestic 840,768Umbrella —checked Jul 30

joinarc.com552,457 avg · W22, acquired▲ 394552,457———552,457—Jul 30

Tranco —Radar —CrUX —Majestic 552,457Umbrella —checked Jul 30

markaz.app558,822 avg · W22▲ 30,667558,822265,372top 200ktop 500k653,960757,134Jul 30

Tranco 265,372Radar top 200kCrUX top 500kMajestic 653,960Umbrella 757,134checked Jul 30

selia.co560,805 avg · W22▼ 4,702560,805560,805top 1Mtop 500k——Jul 30

Tranco 560,805Radar top 1MCrUX top 500kMajestic —Umbrella —checked Jul 30

supersend.io569,660 avg · W22▲ 18,324569,660———569,660—Jul 30

Tranco —Radar —CrUX —Majestic 569,660Umbrella —checked Jul 30

lancedb.com574,882 avg · W22▲ 11,767574,882857,835top 1M—291,928—Jul 30

Tranco 857,835Radar top 1MCrUX —Majestic 291,928Umbrella —checked Jul 30

t3.chat577,902 avg · W22▲ 75,951577,902170,667top 100ktop 1M735,748827,290Jul 30

Tranco 170,667Radar top 100kCrUX top 1MMajestic 735,748Umbrella 827,290checked Jul 30

materialdepot.inredirected587,266 avg · W22▼ 101,842587,266587,266top 1M———Jul 30

Tranco 587,266Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30

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

magna.so591,321 avg · W22, acquired▲ 15,876591,321717,304top 500k—465,338—Jul 30

Tranco 717,304Radar top 500kCrUX —Majestic 465,338Umbrella —checked Jul 30

beam.cloud613,668 avg · W22▲ 27,193613,668—top 500k—613,668—Jul 30

Tranco —Radar top 500kCrUX —Majestic 613,668Umbrella —checked Jul 30

permitflow.com617,849 avg · W22▲ 15,012617,849506,928top 1M—487,965858,653Jul 30

Tranco 506,928Radar top 1MCrUX —Majestic 487,965Umbrella 858,653checked Jul 30

broccoli.com627,597 avg · W22▼ 43,844627,597298,382top 200k——956,812Jul 30

Tranco 298,382Radar top 200kCrUX —Majestic —Umbrella 956,812checked Jul 30

subscriptionflow.com628,642 avg · W22▲ 4,041628,642910,637top 1M—346,646—Jul 30

Tranco 910,637Radar top 1MCrUX —Majestic 346,646Umbrella —checked Jul 30

cashflowportal.com629,350 avg · W22▲ 8,966629,350—top 1M—629,350—Jul 30

Tranco —Radar top 1MCrUX —Majestic 629,350Umbrella —checked Jul 30

yhangry.com635,334 avg · W22▲ 4,825635,334573,423top 500ktop 1M697,245—Jul 30

Tranco 573,423Radar top 500kCrUX top 1MMajestic 697,245Umbrella —checked Jul 30

elevatepay.co643,876 avg · W22▼ 15,163643,876———643,876—Jul 30

Tranco —Radar —CrUX —Majestic 643,876Umbrella —checked Jul 30

withblaze.appgone644,039 avg · W22▲ 9,259644,039———644,039—Jul 30

Tranco —Radar —CrUX —Majestic 644,039Umbrella —checked Jul 30

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

snaptrade.com649,552 avg · W22▲ 1,479649,552371,272top 200k—927,832—Jul 30

Tranco 371,272Radar top 200kCrUX —Majestic 927,832Umbrella —checked Jul 30

teamout.com664,104 avg · W22▲ 50,885664,104———664,104—Jul 30

Tranco —Radar —CrUX —Majestic 664,104Umbrella —checked Jul 30

rallyuxr.com688,442 avg · W22▼ 9,867688,442438,349top 500k——938,534Jul 30

Tranco 438,349Radar top 500kCrUX —Majestic —Umbrella 938,534checked Jul 30

promptloop.com696,643 avg · W22▲ 6,601696,643983,256top 1M—410,030—Jul 30

Tranco 983,256Radar top 1MCrUX —Majestic 410,030Umbrella —checked Jul 30

tumomento.com703,181 avg · W22▲ 24,759703,181703,181—top 500k——Jul 30

Tranco 703,181Radar —CrUX top 500kMajestic —Umbrella —checked Jul 30

sievedata.comredirected705,356 avg · W22▲ 45,725705,356———705,356—Jul 30

Tranco —Radar —CrUX —Majestic 705,356Umbrella —checked Jul 30

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

spade.com728,009 avg · W22▲ 50,569728,009———728,009—Jul 30

Tranco —Radar —CrUX —Majestic 728,009Umbrella —checked Jul 30

flightcontrol.dev731,654 avg · W22▲ 79,566731,654———731,654—Jul 30

Tranco —Radar —CrUX —Majestic 731,654Umbrella —checked Jul 30

comprarapida.co759,903 avg · W22▲ 13,761759,903865,036top 500k——654,770Jul 30

Tranco 865,036Radar top 500kCrUX —Majestic —Umbrella 654,770checked Jul 30

shuttlecentral.com768,184 avg · W22▼ 52,099768,184————768,184Jul 30

Tranco —Radar —CrUX —Majestic —Umbrella 768,184checked Jul 30

armilla.ai823,631 avg · W22▲ 25,459823,631———823,631—Jul 30

Tranco —Radar —CrUX —Majestic 823,631Umbrella —checked Jul 30

yezza.com842,368 avg · W22▲ 359842,368842,368————Jul 30

Tranco 842,368Radar —CrUX —Majestic —Umbrella —checked Jul 30

boardcave.com861,848 avg · W22861,848745,365top 200k—978,331—Jul 30

Tranco 745,365Radar top 200kCrUX —Majestic 978,331Umbrella —checked Jul 30

hubble.com912,346 avg · W22▼ 31,981912,346—top 500k—912,346—Jul 30

Tranco —Radar top 500kCrUX —Majestic 912,346Umbrella —checked Jul 30

anfin.vn923,235 avg · W22▼ 5,541923,235———923,235—Jul 30

Tranco —Radar —CrUX —Majestic 923,235Umbrella —checked Jul 30

botcity.dev958,184 avg · W22▼ 40,452958,184—top 500k—958,184—Jul 30

Tranco —Radar top 500kCrUX —Majestic 958,184Umbrella —checked Jul 30

govdash.com970,865 avg · W22▼ 18,138970,865———970,865—Jul 30

Tranco —Radar —CrUX —Majestic 970,865Umbrella —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.