Y Combinator Startups

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

183 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

F26 · 183 sites · ← all sites

183 live · 4 parked or gone — show all

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

1

herdr.dev75,312 avg · F26▲ 18,18675,31214,058top 5ktop 500k86,909124,969Oct 29

Tranco 14,058Radar top 5kCrUX top 500kMajestic 86,909Umbrella 124,969checked Oct 29

2

melty.gg415,615 avg · F26▲ 202,432415,615415,615top 500k———Oct 29

Tranco 415,615Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29

3

theo.site526,724 avg · F26▲ 12,807526,724526,724————Oct 29

Tranco 526,724Radar —CrUX —Majestic —Umbrella —checked Oct 29

4

oroagents.com608,612 avg · F26▲ 111,618608,612608,612top 200k———Oct 29

Tranco 608,612Radar top 200kCrUX —Majestic —Umbrella —checked Oct 29

5

databuddy.cc617,552 avg · F26▲ 48,563617,552481,761top 200k—909,491461,405Oct 29

Tranco 481,761Radar top 200kCrUX —Majestic 909,491Umbrella 461,405checked Oct 29

6

boat.dev646,926 avg · F26646,926646,926top 200k———Oct 29

Tranco 646,926Radar top 200kCrUX —Majestic —Umbrella —checked Oct 29

7

caveman.so680,830 avg · F26▲ 200,183680,830—top 1M—680,830—Oct 29

Tranco —Radar top 1MCrUX —Majestic 680,830Umbrella —checked Oct 29

8

decent.com726,152 avg · F26▼ 79,473726,152———726,152—Oct 29

Tranco —Radar —CrUX —Majestic 726,152Umbrella —checked Oct 29

9

antimattr.one780,621 avg · F26▲ 21,163780,621————780,621Oct 24

Tranco —Radar —CrUX —Majestic —Umbrella 780,621checked Oct 24

10

agent37.com789,887 avg · F26▼ 102,652789,887947,661top 500k—632,112—Oct 29

Tranco 947,661Radar top 500kCrUX —Majestic 632,112Umbrella —checked Oct 29

11

runinfra.ai903,394 avg · F26▲ 53,087903,394—top 1M—903,394—Oct 29

Tranco —Radar top 1MCrUX —Majestic 903,394Umbrella —checked Oct 29

12

boxes.dev929,319 avg · F26929,319———929,319—Oct 29

Tranco —Radar —CrUX —Majestic 929,319Umbrella —checked Oct 29

13

0.security— avg · F26———————

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

14

acyclic.dev— avg · F26———————

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

15

adside.ai— avg · F26———————

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

16

agentrelay.com— avg · F26———————

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

17

ageospatial.com— avg · F26———————

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

18

aikidotechnologies.com— avg · F26———————

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

19

altair-health.com— avg · F26———————

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

20

antropi.world— avg · F26———————

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

21

anyalpha.ai— avg · F26———————

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

22

appliedkinetics.ai— avg · F26———————

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

23

archangelhealth.ai— avg · F26———————

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

24

archgen.tech— avg · F26———————

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

25

armorerlabs.com— avg · F26———————

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

26

asakana.co— avg · F26———————

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

27

ascenix.co— avg · F26———————

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

28

asim-group.com— avg · F26———————

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

29

aucert.ai— avg · F26———————

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

30

audora.art— avg · F26———————

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

31

aviern.com— avg · F26———————

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

32

axonnic.com— avg · F26———————

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

33

blinka.co— avg · F26———————

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

34

bryel.ai— avg · F26———————

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

35

buildhabu.com— avg · F26———————

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

36

byteask.ai— avg · F26———————

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

37

canos.ai— avg · F26———————

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

38

capveon.ai— avg · F26———————

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

39

cardinalsquare.com— avg · F26———————

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

40

cesara.com— avg · F26———————

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

41

chempilot.ai— avg · F26———————

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

42

claimkit.co— avg · F26———————

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

43

confetti.build— avg · F26———————

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

44

conus-med.com— avg · F26———————

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

45

covera-agents.com— avg · F26———————

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

46

cyclon.ai— avg · F26———————

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

47

deepmark.me— avg · F26———————

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

48

degla.ai— avg · F26———————

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

49

deployrobotics.co— avg · F26———————

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

50

dreamscalelabs.com— avg · F26———————

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

51

dydema.com— avg · F26———————

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

52

elimentary.com— avg · F26———————

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

53

everyapp.com— avg · F26———————

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

54

evidentmachines.com— avg · F26———————

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

55

faradaycompute.com— avg · F26———————

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

56

fire.co— avg · F26———————

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

57

get-stasis.com— avg · F26———————

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

58

gethesperai.com— avg · F26———————

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

59

getopencrawl.com— avg · F26———————

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

60

gettireswing.com— avg · F26———————

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

61

godhands.ai— avg · F26———————

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

62

graphide.com— avg · F26———————

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

63

graypass.com— avg · F26———————

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

64

grep.ai— avg · F26———————

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

65

halmoslabs.com— avg · F26———————

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

66

hemlock.inc— avg · F26———————

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

67

heygradon.com— avg · F26———————

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

68

hickory.co— avg · F26———————

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

69

hillstar.ai— avg · F26———————

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

70

hiyam.ai— avg · F26———————

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

71

horizontal-tech.com— avg · F26———————

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

72

hue.run— avg · F26———————

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

73

hundred.systems— avg · F26———————

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

74

ignitionbenefits.com— avg · F26———————

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

75

inflection-space.com— avg · F26———————

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

76

invertix.ai— avg · F26———————

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

77

isoquant.ai— avg · F26———————

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

78

joinspine.ai— avg · F26———————

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

79

kailashlabs.com— avg · F26———————

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

80

kairoshealthai.com— avg · F26———————

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

81

kairoxsys.com— avg · F26———————

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

82

keresaero.com— avg · F26———————

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

83

lantern.md— avg · F26———————

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

84

larkagents.com— avg · F26———————

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

85

letter.dev— avg · F26———————

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

86

liquidenergy.world— avg · F26———————

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

87

lokberg.com— avg · F26———————

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

88

luxfoods.xyz— avg · F26———————

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

89

lyon.so— avg · F26———————

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

90

maritime.sh— avg · F26———————

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

91

meetriver.com— avg · F26——top 1Mtop 1M——Oct 29

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

92

micora.com— avg · F26———————

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

93

mirrors.dev— avg · F26———————

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

94

munito.ai— avg · F26———————

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

95

myhelios.com— avg · F26———————

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

96

native.no— avg · F26———————

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

97

neomatter.com— avg · F26———————

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

98

nitroduck.tech— avg · F26———————

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

99

nodus-compute.ai— avg · F26———————

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

100

nxtcure.com— avg · F26———————

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

101

oasive.ai— avg · F26———————

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

102

obia.io— avg · F26———————

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

103

obsessiondb.com— avg · F26———————

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

104

odin-robotics.com— avg · F26———————

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

105

openactuation.com— avg · F26———————

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

106

openhack.com— avg · F26———————

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

107

operatechnologies.com— avg · F26———————

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

108

orcaaerospace.com— avg · F26———————

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

109

orgo.ai— avg · F26———————

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

110

papaya.fyi— avg · F26———————

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

111

particularity.io— avg · F26———————

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

112

perit.ai— avg · F26———————

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

113

petrichorbio.com— avg · F26———————

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

114

phone-harness.com— avg · F26———————

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

115

plek.ai— avg · F26———————

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

116

ploid.com— avg · F26———————

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

117

pomerado.ai— avg · F26———————

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

118

preload.ai— avg · F26———————

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

119

primordiant.com— avg · F26———————

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

120

quippyapp.com— avg · F26———————

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

121

quivly.ai— avg · F26———————

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

122

reconero.com— avg · F26———————

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

123

redoubt.insure— avg · F26———————

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

124

resineda.com— avg · F26———————

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

125

rhem.ai— avg · F26———————

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

126

rodeorobotics.com— avg · F26———————

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

127

roma.app— avg · F26———————

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

128

routerplus.com— avg · F26———————

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

129

runlatent.ai— avg · F26———————

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

130

runpraxis.ai— avg · F26———————

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

131

runtime.si— avg · F26———————

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

132

rystic.ai— avg · F26———————

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

133

saccade.health— avg · F26———————

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

134

sentient-os.ai— avg · F26———————

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

135

shepherdrobotics.ai— avg · F26———————

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

136

shireintelligence.com— avg · F26———————

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

137

silicamachines.com— avg · F26———————

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

138

simantic.com— avg · F26———————

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

139

simulithic.com— avg · F26———————

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

140

sintem.co— avg · F26———————

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

141

sinter.systems— avg · F26———————

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

142

sintropix.com— avg · F26———————

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

143

sona8.com— avg · F26———————

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

144

spacesheep.dev— avg · F26———————

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

145

spm.fun— avg · F26———————

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

146

stacktrace.ai— avg · F26———————

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

147

streamlinesystems.ltd— avg · F26———————

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

148

subvocal.company— avg · F26———————

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

149

superserve.ai— avg · F26———————

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

150

sutrix.ai— avg · F26———————

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

151

synaraops.com— avg · F26———————

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

152

talos-us.com— avg · F26———————

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

153

telamont.com— avg · F26———————

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

154

theagenticdatacompany.com— avg · F26———————

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

155

thecompany.company— avg · F26———————

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

156

theseus.bot— avg · F26———————

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

157

tilion.com— avg · F26———————

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

158

tilo.so— avg · F26——top 500k———Oct 29

Tranco —Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29

159

toposlab.com— avg · F26———————

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

160

truemile.ai— avg · F26———————

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

161

tryclean.ai— avg · F26———————

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

162

twentyfour26.com— avg · F26———————

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

163

ufo.ai— avg · F26———————

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

164

usecollarai.com— avg · F26———————

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

165

usedefinite.com— avg · F26———————

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

166

useforward.co— avg · F26———————

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

167

usefr.com— avg · F26———————

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

168

useterse.ai— avg · F26———————

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

169

usevyra.com— avg · F26———————

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

170

uxduck.com— avg · F26———————

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

171

veeza.ai— avg · F26———————

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

172

veltha.ai— avg · F26———————

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

173

verdun.ai— avg · F26———————

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

174

vexoai.com— avg · F26———————

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

175

viraj-aero.com— avg · F26———————

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

176

volaren.ai— avg · F26———————

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

177

vorelios.com— avg · F26———————

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

178

vouchwealth.com— avg · F26———————

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

179

voyager.so— avg · F26———————

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

180

wingmanlaw.com— avg · F26———————

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

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.