Y Combinator Startups

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

188 of 4,698 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

W26 · 188 sites · ← all sites

188 live · 4 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

arcprize.org64,531 avg · W26▲ 5,98764,531104,072top 1Mtop 500k24,990—Oct 29

Tranco 104,072Radar top 1MCrUX top 500kMajestic 24,990Umbrella —checked Oct 29

shortkit.dev192,011 avg · W26▲ 18,675192,011192,011top 500k———Oct 29

Tranco 192,011Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29

21st.dev206,569 avg · W26▲ 21,171206,56959,523top 50ktop 100k175,377384,808Oct 29

Tranco 59,523Radar top 50kCrUX top 100kMajestic 175,377Umbrella 384,808checked Oct 29

openspec.dev271,575 avg · W26▲ 90,838271,575213,920top 100ktop 1M248,115352,689Oct 29

Tranco 213,920Radar top 100kCrUX top 1MMajestic 248,115Umbrella 352,689checked Oct 29

heypocket.com307,947 avg · W26▲ 23,313307,947123,473top 500ktop 100k506,423293,945Oct 29

Tranco 123,473Radar top 500kCrUX top 100kMajestic 506,423Umbrella 293,945checked Oct 29

didit.me339,318 avg · W26▼ 78,726339,318139,184top 100ktop 1M219,435659,336Oct 29

Tranco 139,184Radar top 100kCrUX top 1MMajestic 219,435Umbrella 659,336checked Oct 29

oximy.com416,381 avg · W26▲ 188,755416,381416,381top 200k———Oct 29

Tranco 416,381Radar top 200kCrUX —Majestic —Umbrella —checked Oct 29

emdash.com457,300 avg · W26▲ 78,372457,300———457,300—Oct 29

Tranco —Radar —CrUX —Majestic 457,300Umbrella —checked Oct 29

gru.space511,041 avg · W26▼ 114,060511,041———511,041—Oct 29

Tranco —Radar —CrUX —Majestic 511,041Umbrella —checked Oct 29

paxhistoria.co518,895 avg · W26▼ 25,179518,89545,274top 100ktop 50k911,775599,636Oct 29

Tranco 45,274Radar top 100kCrUX top 50kMajestic 911,775Umbrella 599,636checked Oct 29

luel.ai804,008 avg · W26▲ 3,147804,008804,008—top 500k——Oct 29

Tranco 804,008Radar —CrUX top 500kMajestic —Umbrella —checked Oct 29

runanywhere.ai905,277 avg · W26905,277———905,277—Oct 22

Tranco —Radar —CrUX —Majestic 905,277Umbrella —checked Oct 22

voygr.tech922,605 avg · W26922,605————922,605Oct 29

Tranco —Radar —CrUX —Majestic —Umbrella 922,605checked Oct 29

jinba.io936,186 avg · W26▼ 47,409936,186———936,186—Oct 29

Tranco —Radar —CrUX —Majestic 936,186Umbrella —checked Oct 29

patientdesk.ai936,361 avg · W26936,361————936,361Oct 19

Tranco —Radar —CrUX —Majestic —Umbrella 936,361checked Oct 19

visiblsemi.com967,921 avg · W26967,921———967,921—Sep 19

Tranco —Radar —CrUX —Majestic 967,921Umbrella —checked Sep 19

parameter.ai978,967 avg · W26978,967————978,967Aug 11

Tranco —Radar —CrUX —Majestic —Umbrella 978,967checked Aug 11

ventura.ai987,414 avg · W26987,414———987,414—Oct 1

Tranco —Radar —CrUX —Majestic 987,414Umbrella —checked Oct 1

10xscience.com— avg · W26———————

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

aemon.ai— avg · W26———————

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

alt-x.co— avg · W26———————

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

anchorhead.ai— avg · W26———————

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

appsidekit.com— avg · W26———————

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

ashr.io— avg · W26———————

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

aurorincad.com— avg · W26———————

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

autositu.com— avg · W26———————

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

autumn.ai— avg · W26———————

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

avoice.co— avg · W26———————

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

axionorbital.space— avg · W26———————

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

axisanalysis.com— avg · W26———————

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

beaconhealth.ai— avg · W26———————

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

beesafe.ai— avg · W26———————

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

beyondreachlabs.com— avg · W26———————

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

booko.com— avg · W26———————

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

brumby.com— avg · W26———————

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

bubblelab.ai— avg · W26———————

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

burthq.com— avg · W26———————

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

buttoncomputer.com— avg · W26———————

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

byteport.com— avg · W26———————

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

caj.al— avg · W26———————

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

captain.dev— avg · W26———————

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

caretta.so— avg · W26——top 500k———Aug 23

Tranco —Radar top 500kCrUX —Majestic —Umbrella —checked Aug 23

catchbackcards.com— avg · W26——top 1M———Oct 18

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

celltype.com— avg · W26———————

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

chasi.ai— avg · W26———————

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

claimglide.com— avg · W26———————

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

codewisp.ai— avg · W26———————

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

cofia.ai— avg · W26———————

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

compresr.ai— avg · W26———————

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

condor.energy— avg · W26———————

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

confluence.sh— avg · W26———————

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

congruent.io— avg · W26———————

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

constellation.space— avg · W26———————

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

copperlane.ai— avg · W26———————

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

corelayer.com— avg · W26———————

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

corvera.ai— avg · W26———————

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

crosslayerlabs.com— avg · W26———————

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

cumuluslabs.io— avg · W26———————

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

daivin.tech— avg · W26———————

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

dev.fast— avg · W26——top 1M———Oct 29

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

dittobio.com— avg · W26———————

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

docurahealth.com— avg · W26———————

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

doomersion.com— avg · W26———————

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

eigenpal.com— avg · W26———————

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

endclose.com— avg · W26———————

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

envariant.ai— avg · W26———————

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

fed10.ai— avg · W26———————

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

fenrock.ai— avg · W26———————

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

fern.bot— avg · W26———————

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

fixture.ai— avg · W26———————

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

foreman.co— avg · W26———————

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

fort.cx— avg · W26———————

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

forum.market— avg · W26———————

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

fullseam.com— avg · W26———————

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

general.legal— avg · W26——top 1M———Oct 29

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

generalastro.com— avg · W26———————

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

getbalance.ai— avg · W26———————

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

haladir.com— avg · W26———————

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

helloeos.ai— avg · W26———————

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

hlaboratories.com— avg · W26———————

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

humanarchive.ai— avg · W26———————

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

incidentfox.ai— avg · W26———————

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

instinct.xyz— avg · W26———————

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

inventoryquant.com— avg · W26———————

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

janeen.care— avg · W26———————

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

khotan.com— avg · W26———————

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

kita.ai— avg · W26———————

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

lance.live— avg · W26———————

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

laurence.com— avg · W26———————

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

legalos.ai— avg · W26———————

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

lexius.ai— avg · W26———————

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

lucenthq.com— avg · W26——top 1M———Jul 19

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

mangomedical.io— avg · W26———————

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

mantisbiotech.com— avg · W26———————

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

martini.film— avg · W26———————

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

meetmirabelle.com— avg · W26———————

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

menza.ai— avg · W26———————

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

milliray.com— avg · W26———————

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

mochacare.com— avg · W26———————

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

100

moda.dev— avg · W26———————

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

101

moritzlegal.com— avg · W26———————

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

102

mousecat.ai— avg · W26———————

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

103

myturnstone.ai— avg · W26———————

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

104

ndea.com— avg · W26———————

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

105

o11.ai— avg · W26———————

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

106

onerobot.io— avg · W26———————

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

107

opalitehealth.com— avg · W26———————

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

108

origami-robotics.com— avg · W26———————

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

109

origin.bio— avg · W26———————

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

110

orthogonal.com— avg · W26——top 1M———Oct 18

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

111

ossus.com— avg · W26———————

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

112

overdrive.health— avg · W26———————

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

113

overshoot.ai— avg · W26———————

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

114

oxus-ai.com— avg · W26———————

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

115

palus.finance— avg · W26———————

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

116

pantainsure.com— avg · W26———————

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

117

payna.com— avg · W26———————

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

118

paysponge.com— avg · W26——top 1M———Aug 2

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Aug 2

119

perfectly.so— avg · W26———————

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

120

pirislabs.io— avg · W26———————

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

121

pollen.cx— avg · W26———————

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

122

polymathlabs.ai— avg · W26———————

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

123

pranadoc.com— avg · W26———————

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

124

proximitty.ai— avg · W26———————

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

125

quotientlabs.com— avg · W26———————

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

126

ramain.ai— avg · W26———————

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

127

remix.re— avg · W26———————

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

128

ressl.ai— avg · W26———————

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

129

returnsignals.com— avg · W26——top 1M———Sep 6

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

130

rev1.so— avg · W26———————

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

131

revion.inc— avg · W26———————

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

132

rhizomeai.com— avg · W26——top 1M———Oct 18

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

133

robodock.tech— avg · W26———————

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

134

runcanary.ai— avg · W26———————

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

135

samora.ai— avg · W26———————

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

136

schedulingwiz.com— avg · W26———————

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

137

seeing-systems.com— avg · W26———————

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

138

sentrial.com— avg · W26———————

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

139

sequencemkts.com— avg · W26———————

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

140

servo7.com— avg · W26———————

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

141

shofo.ai— avg · W26———————

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

142

silahq.com— avg · W26——top 1M———Oct 11

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 11

143

sitefire.ai— avg · W26———————

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

144

skillsync.com— avg · W26———————

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

145

sparkles.dev— avg · W26———————

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

146

spotpay.ai— avg · W26———————

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

147

squid.energy— avg · W26———————

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

148

standardphysics.com— avg · W26———————

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

149

stilta.com— avg · W26———————

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

150

strandai.com— avg · W26———————

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

151

superpenguin.ai— avg · W26———————

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

152

syntheticsciences.ai— avg · W26———————

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

153

talkingcomputers.ai— avg · W26———————

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

154

tensortest.com— avg · W26———————

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

155

tepali.com— avg · W26———————

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

156

terminaluse.com— avg · W26———————

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

157

terranox.ai— avg · W26———————

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

158

thetokencompany.com— avg · W26———————

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

159

traverse.so— avg · W26———————

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

160

travoai.com— avg · W26———————

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

161

tryasimov.ai— avg · W26———————

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

162

trycardinal.com— avg · W26———————

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

163

trymaven.com— avg · W26———————

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

164

tryoctapulse.com— avg · W26———————

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

165

tryremy.ai— avg · W26———————

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

166

tryrobby.com— avg · W26———————

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

167

tryvela.ai— avg · W26———————

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

168

unifold.io— avg · W26———————

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

169

unisson.ai— avg · W26———————

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

170

usebidflow.com— avg · W26———————

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

171

usechamber.io— avg · W26———————

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

172

usegrade.com— avg · W26———————

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

173

usepolymorph.com— avg · W26———————

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

174

usereframe.ai— avg · W26———————

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

175

usesalus.ai— avg · W26———————

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

176

valence.trade— avg · W26———————

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

177

valgo.ai— avg · W26———————

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

178

vectorlegal.com— avg · W26———————

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

179

velum-labs.com— avg · W26———————

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

180

verdexai.com— avg · W26———————

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

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.