Jemi
Acquired
What they do:
Jemi helps people build beautiful websites and stores.
Quick facts:
HQ: San Francisco, CA, United States
Top Social Startups in San Francisco
This list has 151 startups and was last updated on Oct 15, 2026. 14 of them are hiring right now. Largest teams: Reddit, Twitch, and OneSignal.
151 startupsPage 3 of 5
FamilyLeaf
Acquired
What they do:
Help families stay in touch
Quick facts:
HQ: San Francisco, CA, United States
1000Memories
Acquired
What they do:
Memorial sites.
Quick facts:
HQ: San Francisco, CA, United States
Fanvibe
Acquired
What they do:
Check-in to games to chat and trash-talk with friends who are also watching. Get scores and breaking news sent straight to your iPhone. Fanvibe covers the…
Quick facts:
HQ: San Francisco, CA, United States
Fridge
Acquired
What they do:
Disposable social networks.
Quick facts:
HQ: San Francisco, CA, United States
Whereoscope
Acquired
What they do:
Location-aware smartphone application that enables parents to keep…
Quick facts:
HQ: San Francisco, CA, United States
Bitplay
Acquired
What they do:
Effortless Video Meetings - Acquired by Jive Software in 2013
Quick facts:
HQ: San Francisco, CA, United States
DailyBooth
Acquired
What they do:
DailyBooth lets users follow their friends and update them in real-time through the use of pictures and status updates.
Quick facts:
HQ: San Francisco, CA, United States
Divvyshot
Acquired
What they do:
Divvyshot is a photo-sharing platform that enables users to share full resolution photos with friends.
Quick facts:
HQ: San Francisco, CA, United States
VoiceGem
Acquired
What they do:
Voice messaging platform - Acquired by Palantir in 2013
Quick facts:
HQ: San Francisco, CA, United States
Parenthoods
Acquired
What they do:
Communities for expecting and new parents.
Quick facts:
HQ: San Francisco, CA, United States
YesGraph
Acquired
What they do:
YesGraph recommends exactly who a user should invite to an app. Our…
Quick facts:
HQ: San Francisco, CA, United States
Outbound
Acquired
What they do:
Create automated messages -- email, iOS/Android push, SMS and web…
Quick facts:
HQ: San Francisco, CA, United States
Fabric
Acquired
What they do:
Fabric is a personal location-based journal that catalogs experiences…
Quick facts:
HQ: San Francisco, CA, United States
Pursuit
Acquired
What they do:
Revlo helps broadcasters on Twitch engage and monetize their fan…
Quick facts:
HQ: San Francisco, CA, United States
Breaker
Acquired
What they do:
A podcast company.
Quick facts:
HQ: San Francisco, CA, United States
Socialcam
Acquired
What they do:
The easiest way to share videos with friends and family.
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
TalkBin
Acquired
What they do:
Consumer to business messaging.
Quick facts:
HQ: San Francisco, CA, United States
YC W11Early stage
Heysan
Acquired
What they do:
Free messaging on mobile phones
Quick facts:
HQ: San Francisco, CA, United States
YC W07Early stage
Treehouse
Shut down
What they do:
Treehouse is an online technology school that offers beginner to advanced courses in web design, web development, mobile development and game development…
Quick facts:
HQ: San Francisco, CA, United States
Seerslab
Shut down
What they do:
We are providing AR technologies and contents to app developers
Quick facts:
HQ: San Francisco, CA, United States
Revel
Shut down
What they do:
We Deserve More in Midlife
Quick facts:
HQ: San Francisco, CA, United States
Fibo
Shut down
What they do:
SaaS calendar and messaging for SMBs
Quick facts:
HQ: San Francisco, CA, United States
Openland
Shut down
What they do:
Messenger for communities
Quick facts:
HQ: San Francisco, CA, United States
Ark
Shut down
What they do:
Ark organizes the world's social information.
Quick facts:
HQ: San Francisco, CA, United States
Picwing
Shut down
What they do:
Photo Sharing platform for families
Quick facts:
HQ: San Francisco, CA, United States
Hum
Shut down
What they do:
A chat program that integrates with email, with presence.
Quick facts:
HQ: San Francisco, CA, United States
HoverChat
Shut down
What they do:
Message without interrupting what you're doing
Quick facts:
HQ: San Francisco, CA, United States
Locent
Shut down
What they do:
Locent is an automated messaging platform for companies
Quick facts:
HQ: San Francisco, CA, United States
Hyper Online
Shut down
What they do:
Social avatar platform for VTubers
Quick facts:
HQ: San Francisco, CA, United States
Elpha
Shut down
What they do:
Professional network for women
Quick facts:
HQ: San Francisco, CA, United States
Kopa
Shut down
What they do:
Find furnished rentals and compatible housemates for 1-12 month stays
Quick facts:
HQ: San Francisco, CA, United States
Sonar
Shut down
What they do:
Minecraft meets Discord
Quick facts:
HQ: San Francisco, CA, United States
Naytev
Shut down
What they do:
Naytev automates paid and organic social media management in one place
Quick facts:
HQ: San Francisco, CA, United States
Priime
Shut down
What they do:
Priime is a company dedicated to advancements in technology around…
Quick facts:
HQ: San Francisco, CA, United States
Chillabit
Shut down
What they do:
Chillabit is the best way to procrastinate! It’s a live feed of funny…
Quick facts:
HQ: San Francisco, CA, United States