Y Combinator Startups

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

50 of 4,617 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

F26 · 50 sites · ← all sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

1

herdr.dev113,429 avg · F26▲ 11,990113,42919,039top 5ktop 500k183,856137,391Sep 14

Tranco 19,039Radar top 5kCrUX top 500kMajestic 183,856Umbrella 137,391checked Sep 14

2

ascii.dev520,514 avg · F26▼ 21,488520,514520,514top 500k———Sep 14

Tranco 520,514Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14

3

antimattr.one— avg · F26———————

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

4

antropi.world— avg · F26———————

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

5

asakana.co— avg · F26———————

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

6

byteask.ai— avg · F26———————

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

7

capveon.ai— avg · F26———————

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

8

covera-agents.com— avg · F26———————

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

9

deepmark.me— avg · F26———————

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

10

degla.ai— avg · F26———————

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

11

deployrobotics.co— avg · F26———————

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

12

dreamscalelabs.com— avg · F26———————

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

13

gethesperai.com— avg · F26———————

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

14

godhands.dev— avg · F26———————

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

15

halmoslabs.com— avg · F26———————

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

16

hemlock.info— avg · F26———————

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

17

lambdarobotics.ai— avg · F26———————

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

18

lantern.md— avg · F26———————

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

19

maritime.sh— avg · F26———————

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

20

micora.com— avg · F26———————

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

21

nodus-compute.ai— avg · F26———————

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

22

onepatch.dev— avg · F26———————

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

23

orcaaerospace.com— avg · F26———————

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

24

oroagents.com— avg · F26——top 500k———Sep 14

Tranco —Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14

25

qokedas.com— avg · F26———————

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

26

quippyapp.com— avg · F26———————

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

27

redoubt.agency— avg · F26———————

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

28

runinfra.ai— avg · F26——top 1M———Sep 14

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14

29

runmirrors.com— avg · F26———————

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

30

sentient-os.ai— avg · F26———————

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

31

shepherdrobotics.ai— avg · F26———————

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

32

simantic.dev— avg · F26———————

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

33

simulithic.com— avg · F26———————

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

34

sinter.systems— avg · F26———————

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

35

sona8.com— avg · F26———————

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

36

subvocal.company— avg · F26———————

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

37

superradiant.co— avg · F26———————

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

38

talos-us.com— avg · F26———————

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

39

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

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

40

tilion.dev— avg · F26———————

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

41

trylightfield.ai— avg · F26———————

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

42

usecollarai.com— avg · F26———————

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

43

useforward.co— avg · F26———————

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

44

usefr.com— avg · F26———————

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

45

usevyra.com— avg · F26———————

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

46

veeza.ai— avg · F26———————

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

47

veltha.ai— avg · F26———————

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

48

vorelios.com— avg · F26———————

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

49

withhopper.com— avg · F26———————

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

50

workers.io— 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

Sep 14 06:03sync with the YC sync, 9 sites changed

Sep 13 06:03sync with the YC sync, 1 site changed

Sep 12 06:02sync with the YC sync, 6 sites changed

Sep 11 06:03sync with the YC sync, 11 sites changed

Sep 10 06:03sync with the YC sync, 15 sites changed

Sep 9 06:03sync with the YC sync, 13 sites changed

Sep 8 06:03sync with the YC sync, 5 sites shown

This list is kept in step with the official YC API, so it isn't editable here. This is just for fun.