Crohnology (by Healthy Labs)
Shut down
What they do:
We turn Patients into Researchers.
Quick facts:
HQ: San Francisco, CA, United States
Top Social Startups
This list has 302 startups and was last updated on Oct 15, 2026. 36 of them are hiring right now. Biggest hubs: San Francisco (151), New York (38), and Los Angeles (14). Largest teams: Reddit, Twitch, and Bird. Latest round: Affinity Labs raised $2M (Oct 14, 2026).
Survival statistics →44 open roles →
302 startupsPage 9 of 9
UpLabs
Shut down
What they do:
UpLabs is the #1 marketplace for designers & developers to find…
Quick facts:
HQ: San Francisco, CA, United States
Comradery
Shut down
What they do:
White-label Bookface for companies and communities!
Quick facts:
HQ: San Francisco, CA, United States
Jamiphy
Shut down
What they do:
TikTok for Musicians
Quick facts:
HQ: San Francisco, CA, United States
Sendo
Shut down
What they do:
The best SMS/RCS API for startups
Quick facts:
HQ: New York, NY, United States
Zipio
Shut down
What they do:
Deal search service
Quick facts:
YC W12Early stage
Pribbit
Shut down
What they do:
Like Twitter but you post others' status.
Quick facts:
HQ: Los Angeles, CA, United States
YC S10Early stage
Recurious
Shut down
What they do:
thesixtyone is Digg for new music, a social filter for the tsunami of indie creativity hitting the web. Like Digg, the homepage is community driven. Listeners…
Quick facts:
HQ: San Francisco, CA, United States
YC W09Early stage
Nambii
Shut down
What they do:
Nambii is an online dating service with iPhone applications that allow users to send and receive flirts with people around them.
Quick facts:
HQ: San Francisco, CA, United States
YC W09Early stage
Pollground
Shut down
What they do:
Online polls.
Quick facts:
HQ: Boston, MA, United States
YC S06Early stage
Jam.gg (formerly Piepacker)
Shut down
What they do:
Jam.gg, play couch games online with friends
Quick facts:
HQ: San Francisco, CA, United States
FanHero
Shut down
Quick facts:
HQ: San Francisco, CA, United States
Meetyu
Shut down
Quick facts:
HQ: San Francisco, CA, United States
YC S07Early stage
Simmery
Shut down
Quick facts:
HQ: Wallingford, CT, United States
YC S05Early stage