Y Combinator Startups

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

162 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

W25 · 162 sites · ← all sites

162 sites, including 7 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

misprint.com116,000 avg · W25▲ 113,972116,000116,000top 20ktop 1M——Oct 29

Tranco 116,000Radar top 20kCrUX top 1MMajestic —Umbrella —checked Oct 29

mastra.ai152,684 avg · W25▲ 15,890152,684235,695top 1Mtop 1M69,673—Oct 29

Tranco 235,695Radar top 1MCrUX top 1MMajestic 69,673Umbrella —checked Oct 29

axiom.trade188,153 avg · W25▼ 331188,1535,823top 5ktop 50k210,859347,778Oct 29

Tranco 5,823Radar top 5kCrUX top 50kMajestic 210,859Umbrella 347,778checked Oct 29

confident-ai.com273,862 avg · W25▲ 4,650273,862417,032——130,691—Oct 29

Tranco 417,032Radar —CrUX —Majestic 130,691Umbrella —checked Oct 29

browser-use.com276,476 avg · W25▼ 16,735276,47697,164top 50ktop 500k54,316677,948Oct 29

Tranco 97,164Radar top 50kCrUX top 500kMajestic 54,316Umbrella 677,948checked Oct 29

onlook.com325,781 avg · W25▲ 49,067325,781———325,781—Oct 29

Tranco —Radar —CrUX —Majestic 325,781Umbrella —checked Oct 29

afterquery.com411,272 avg · W25▲ 28,897411,27282,512top 100k—473,334677,969Oct 29

Tranco 82,512Radar top 100kCrUX —Majestic 473,334Umbrella 677,969checked Oct 29

athenahq.ai411,818 avg · W25▲ 1,500411,818345,387top 1M—147,492742,574Oct 29

Tranco 345,387Radar top 1MCrUX —Majestic 147,492Umbrella 742,574checked Oct 29

getswerve.com413,935 avg · W25▲ 19,023413,935267,780top 200ktop 1M—560,090Oct 29

Tranco 267,780Radar top 200kCrUX top 1MMajestic —Umbrella 560,090checked Oct 29

solidroad.com415,495 avg · W25▲ 61,865415,495———415,495—Oct 29

Tranco —Radar —CrUX —Majestic 415,495Umbrella —checked Oct 29

weaveos.com440,986 avg · W25▼ 12,241440,986———440,986—Oct 29

Tranco —Radar —CrUX —Majestic 440,986Umbrella —checked Oct 29

a0.dev444,353 avg · W25▲ 131,692444,353—top 1M—444,353—Oct 29

Tranco —Radar top 1MCrUX —Majestic 444,353Umbrella —checked Oct 29

zeroentropy.dev528,123 avg · W25, acquired▲ 44,155528,123———528,123—Oct 29

Tranco —Radar —CrUX —Majestic 528,123Umbrella —checked Oct 29

assistant-ui.com535,575 avg · W25▲ 46,871535,575558,347top 500k—512,802—Oct 29

Tranco 558,347Radar top 500kCrUX —Majestic 512,802Umbrella —checked Oct 29

spott.io647,550 avg · W25▲ 145,913647,550589,877top 500k—705,223—Oct 29

Tranco 589,877Radar top 500kCrUX —Majestic 705,223Umbrella —checked Oct 29

pickle.com669,697 avg · W25▲ 95,944669,697———669,697—Oct 29

Tranco —Radar —CrUX —Majestic 669,697Umbrella —checked Oct 29

adam.new695,701 avg · W25▲ 8,206695,701945,609top 1M—445,792—Oct 29

Tranco 945,609Radar top 1MCrUX —Majestic 445,792Umbrella —checked Oct 29

leapingai.com717,511 avg · W25▲ 22,771717,511———717,511—Oct 29

Tranco —Radar —CrUX —Majestic 717,511Umbrella —checked Oct 29

bild.ai731,565 avg · W25▲ 84,316731,565———731,565—Oct 29

Tranco —Radar —CrUX —Majestic 731,565Umbrella —checked Oct 29

outlit.ai735,043 avg · W25▲ 29,807735,043———735,043—Oct 29

Tranco —Radar —CrUX —Majestic 735,043Umbrella —checked Oct 29

runcopycat.com767,368 avg · W25767,368———767,368—Oct 19

Tranco —Radar —CrUX —Majestic 767,368Umbrella —checked Oct 19

mosaic.so775,839 avg · W25▼ 26,527775,839878,197top 1M—673,481—Oct 29

Tranco 878,197Radar top 1MCrUX —Majestic 673,481Umbrella —checked Oct 29

hud.ai790,571 avg · W25▲ 230,595790,571645,810top 500k—935,331—Oct 29

Tranco 645,810Radar top 500kCrUX —Majestic 935,331Umbrella —checked Oct 29

joinergo.com822,430 avg · W25▲ 82,305822,430———822,430—Oct 29

Tranco —Radar —CrUX —Majestic 822,430Umbrella —checked Oct 29

societies.ai862,471 avg · W25▼ 36,301862,471———862,471—Oct 29

Tranco —Radar —CrUX —Majestic 862,471Umbrella —checked Oct 29

startpinch.com917,018 avg · W25▼ 17,952917,018———917,018—Oct 29

Tranco —Radar —CrUX —Majestic 917,018Umbrella —checked Oct 29

harperinsure.com934,286 avg · W25▲ 60,807934,286890,370——978,202—Oct 29

Tranco 890,370Radar —CrUX —Majestic 978,202Umbrella —checked Oct 29

blindpay.com958,329 avg · W25958,329———958,329—Oct 13

Tranco —Radar —CrUX —Majestic 958,329Umbrella —checked Oct 13

vantel.com958,705 avg · W25958,705958,705————Sep 28

Tranco 958,705Radar —CrUX —Majestic —Umbrella —checked Sep 28

wild-card.ai980,218 avg · W25980,218———980,218—Oct 7

Tranco —Radar —CrUX —Majestic 980,218Umbrella —checked Oct 7

wozcode.com998,504 avg · W25998,504———998,504—Oct 26

Tranco —Radar —CrUX —Majestic 998,504Umbrella —checked Oct 26

usemesh.com998,994 avg · W25998,994———998,994—Oct 8

Tranco —Radar —CrUX —Majestic 998,994Umbrella —checked Oct 8

10xdental.com— avg · W25———————

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

a1zap.com— avg · W25———————

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

agentin.ai— avg · W25———————

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

alice.tech— avg · W25———————

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

archon.inc— avg · W25———————

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

artifact.engineer— avg · W25———————

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

artil.ai— avg · W25———————

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

asteroid.ai— avg · W25——top 1M———Oct 29

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

astroenergy.airedirected— avg · W25———————

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

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

awen.ai— avg · W25———————

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

axal.ai— avg · W25———————

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

bindwell.ai— avg · W25———————

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

bud.app— avg · W25, acquired———————

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

butter.dev— avg · W25———————

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

bystreet.com— avg · W25———————

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

calltree.ai— avg · W25———————

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

candor.security— avg · W25———————

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

cardamon.ai— avg · W25———————

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

carecycle.ai— avg · W25———————

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

caseflood.ai— avg · W25———————

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

cedarcopilot.com— avg · W25———————

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

cifrato.ai— avg · W25———top 1M——Aug 10

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Aug 10

closure-intel.com— avg · W25———————

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

codevisor.dev— avg · W25———————

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

conntour.com— avg · W25———————

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

contrario.ai— avg · W25———————

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

corsair.dev— avg · W25———————

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

cuckoo.so— avg · W25———————

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

dalus.io— avg · W25———————

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

dartboard.ai— avg · W25———————

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

delineate.pro— avg · W25———————

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

dexto.ai— avg · W25———————

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

dotwave.ai— avg · W25———————

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

edexia.com— avg · W25———————

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

excellence-ai.com— avg · W25———————

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

exintherapeutics.com— avg · W25———————

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

exla.ai— avg · W25———————

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

finbar.com— avg · W25———————

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

flowtel.ai— avg · W25———————

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

forgeautomation.caredirected— avg · W25———————

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

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

fuseai.com— avg · W25———————

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

galevisa.com— avg · W25———————

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

generaltrajectory.com— avg · W25———————

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

getbluebook.comgone— avg · W25———————

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

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

gethealthkey.com— avg · W25———————

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

getrally.com— avg · W25———————

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

glnkco.com— avg · W25———————

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

gokarsa.com— avg · W25———————

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

harbera.com— avg · W25———————

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

heytelo.com— avg · W25———————

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

infinite.net— avg · W25———————

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

instinct-space.com— avg · W25———————

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

inversionsemi.com— avg · W25———————

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

joincenote.com— avg · W25———————

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

karoo.ca— avg · W25———————

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

ladderai.com— avg · W25———————

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

liquidcompute.com— avg · W25———————

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

lopus.ai— avg · W25———————

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

lucid.ai— avg · W25———————

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

lucidic.ai— avg · W25———————

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

macadamialabs.com— avg · W25———————

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

maritimefusion.com— avg · W25———————

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

mecha-health.ai— avg · W25———————

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

mentra.glassredirected— avg · W25———————

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

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

mercura.ai— avg · W25———————

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

miyagilabs.ai— avg · W25———top 1M——Oct 29

Tranco —Radar —CrUX top 1MMajestic —Umbrella —checked Oct 29

mundoai.world— avg · W25———————

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

100

nitrode.com— avg · W25———————

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

101

okihome.ai— avg · W25———————

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

102

openintake.ai— avg · W25———————

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

103

operand.com— avg · W25———————

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

104

optifye.ai— avg · W25———————

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

105

orbitalops.tech— avg · W25———————

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

106

osmosis.ai— avg · W25———————

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

107

outship.ai— avg · W25———————

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

108

overstandlabs.com— avg · W25———————

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

109

ovlo.ai— avg · W25———————

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

110

paratushealth.com— avg · W25———————

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

111

pave-robotics.com— avg · W25———————

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

112

pax.markets— avg · W25———————

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

113

permitify.comredirected— avg · W25———————

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

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

114

praxim.ai— avg · W25———————

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

115

proception.ai— avg · W25———————

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

116

promptless.ai— avg · W25———————

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

117

quantstruct.com— avg · W25———————

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

118

rebolt.ai— avg · W25——top 1M———Oct 18

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 18

119

redbarnrobotics.com— avg · W25———————

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

120

reditus.space— avg · W25———————

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

121

rejot.dev— avg · W25———————

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

122

retrofit.shop— avg · W25———————

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

123

reviserobotics.com— avg · W25———————

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

124

roark.ai— avg · W25———————

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

125

rocketable.com— avg · W25———————

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

126

runparagon.com— avg · W25———————

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

127

salespatriot.com— avg · W25——top 1M———Oct 29

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

128

sammylabs.com— avg · W25———————

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

129

scoutforschools.com— avg · W25———————

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

130

sennu.ai— avg · W25———————

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

131

sherpalabs.ai— avg · W25———————

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

132

splash9.com— avg · W25———————

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

133

stampmail.ai— avg · W25———————

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

134

steinmetzmotors.com— avg · W25———————

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

135

stillwind.ai— avg · W25———————

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

136

subimage.io— avg · W25———————

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

137

subtrace.dev— avg · W25———————

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

138

superglue.ai— avg · W25———————

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

139

tamlabs.ai— avg · W25———————

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

140

tensorpool.dev— avg · W25, acquired———————

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

141

tergle.com— avg · W25———————

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

142

thirdlayer.inc— avg · W25———————

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

143

toothy.ai— avg · W25———————

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

144

trainloop.ai— avg · W25———————

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

145

trimresearch.com— avg · W25———————

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

146

tryamby.com— avg · W25———————

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

147

trybezel.com— avg · W25———————

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

148

tryegress.com— avg · W25, acquired———————

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

149

tryelip.ai— avg · W25———————

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

150

tryinvo.com— avg · W25———————

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

151

trytrata.comredirected— avg · W25———————

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

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

152

tweeks.io— avg · W25——top 1M———Aug 30

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

153

uncommontherapeutics.com— avg · W25———————

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

154

usecandor.ai— avg · W25———————

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

155

usepeppr.ai— avg · W25———————

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

156

usetrava.com— avg · W25———————

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

157

verbiflow.com— avg · W25———————

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

158

vetnio.com— avg · W25———————

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

159

vocalityhealth.com— avg · W25———————

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

160

waypointtransit.com— avg · W25——top 1M———Sep 27

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 27

161

withriviera.com— avg · W25———————

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

162

you-shift.comredirected— avg · W25———————

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

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

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.