Loopt
Acquired
What they do:
Loopt, based in Silicon-Valley and backed by leading venture capital firms Sequoia Capital and New Enterprise Associates, has created an interoperable…
Quick facts:
HQ: San Francisco, CA, United States
Top Social Startups in California
This list has 170 startups and was last updated on Oct 15, 2026. 18 of them are hiring right now. Biggest hubs: San Francisco (151), Los Angeles (14), and San Diego (2). Largest teams: Reddit, Twitch, and OneSignal.
170 startupsPage 3 of 5
HER
Acquired
What they do:
HER helps lesbian, bisexual and queer people meet each other
Quick facts:
HQ: San Francisco, CA, United States
Squad
Acquired
What they do:
Squad is an app for live communities to have shared experiences…
Quick facts:
HQ: San Francisco, CA, United States
Lowkey
Acquired
What they do:
Capture, create, & share gaming moments (Acquired by Niantic!)
Quick facts:
HQ: San Francisco, CA, United States
Trendpop
Acquired
What they do:
Discover trends as they happen
Quick facts:
HQ: San Francisco, CA, United States
HOAi
Acquired
What they do:
AI agent for community management
Quick facts:
HQ: San Francisco, CA, United States
Cocoon
Acquired
What they do:
Bring your most important groups closer together
Quick facts:
HQ: San Francisco, CA, United States
Hyper
Acquired
What they do:
Sell memberships to your Discord server
Quick facts:
HQ: San Francisco, CA, United States
Taro
Acquired
What they do:
Help high-growth tech companies hire strong engineers
Quick facts:
HQ: San Francisco, CA, United States
Glimpse
Acquired
What they do:
A social video chat.
Quick facts:
HQ: San Francisco, CA, United States
Demeanor.co
Acquired
What they do:
Now part of thentwrk.com
Quick facts:
HQ: Los Angeles, CA, United States
Remade
Acquired
What they do:
AI-native canvas for creative workflows.
Quick facts:
HQ: San Francisco, CA, United States
Wildfire
Acquired
What they do:
Social news app
Quick facts:
HQ: San Francisco, CA, United States
Jemi
Acquired
What they do:
Jemi helps people build beautiful websites and stores.
Quick facts:
HQ: San Francisco, CA, United States
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…
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HQ: San Francisco, CA, United States
Fabric
Acquired
What they do:
Fabric is a personal location-based journal that catalogs experiences…
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HQ: San Francisco, CA, United States
Pursuit
Acquired
What they do:
Revlo helps broadcasters on Twitch engage and monetize their fan…
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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