What they do:
The social network layer for AI apps
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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 2 of 5
What they do:
Canva for short-form video ads
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HQ: San Francisco, CA, United States
What they do:
Turn gatherings into lasting relationships.
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HQ: San Francisco, CA, United States
What they do:
staffing firms with dreach grow revenue faster.
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HQ: San Francisco, CA, United States
What they do:
Become the leader your company needs.
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HQ: San Francisco, CA, United States
What they do:
Fun with AI video
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HQ: San Francisco, CA, United States
What they do:
Helps build social skills through daily practice
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HQ: San Francisco, CA, United States
What they do:
Social media content auto-generated with your existing data
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HQ: San Francisco, CA, United States
YC W26Early stage
Acquired
What they do:
The frontpage of the internet.
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HQ: San Francisco, CA, United States
Twitch
Acquired
What they do:
A global community creating the future of live entertainment.
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
SendHub
Acquired
What they do:
Simple Business SMS. SMBs to Large Enterprise.
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HQ: San Francisco, CA, United States
Replicate
Acquired
What they do:
Run machine learning models in the cloud
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HQ: San Francisco, CA, United States
Zyper
Acquired
What they do:
Recreating social networks for brands.
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HQ: San Francisco, CA, United States
Courier
Acquired
What they do:
The fastest way for developers to build notifications for their app.
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HQ: San Francisco, CA, United States
Bump
Acquired
What they do:
Bump, Flock, Photoroll (unreleased) => Google Photos
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HQ: San Francisco, CA, United States
Guilded
Acquired
What they do:
Chat for gaming communities
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HQ: San Francisco, CA, United States
Product Hunt
Acquired
What they do:
The best new products in tech
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HQ: San Francisco, CA, United States
Beeper
Acquired
What they do:
One chat app to rule them all
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HQ: San Francisco, CA, United States
Chute
Acquired
What they do:
Discover the photos and videos people are taking of your brand or…
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HQ: San Francisco, CA, United States
Pagelever
Acquired
What they do:
Facebook analytics. Acquired by Unified in January 2013.
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HQ: San Francisco, CA, United States
GlassMap
Acquired
What they do:
Location sharing. Acquired by Groupon in 2013.
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HQ: San Francisco, CA, United States
Posterous
Acquired
What they do:
Dead simple blogs by email
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HQ: San Francisco, CA, United States
Disqus
Acquired
What they do:
Add comments to your website.
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HQ: San Francisco, CA, United States
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…
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HQ: San Francisco, CA, United States
HER
Acquired
What they do:
HER helps lesbian, bisexual and queer people meet each other
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HQ: San Francisco, CA, United States
Squad
Acquired
What they do:
Squad is an app for live communities to have shared experiences…
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HQ: San Francisco, CA, United States
Lowkey
Acquired
What they do:
Capture, create, & share gaming moments (Acquired by Niantic!)
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HQ: San Francisco, CA, United States
Trendpop
Acquired
What they do:
Discover trends as they happen
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HQ: San Francisco, CA, United States
HOAi
Acquired
What they do:
AI agent for community management
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HQ: San Francisco, CA, United States
Cocoon
Acquired
What they do:
Bring your most important groups closer together
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HQ: San Francisco, CA, United States
Hyper
Acquired
What they do:
Sell memberships to your Discord server
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HQ: San Francisco, CA, United States
Taro
Acquired
What they do:
Help high-growth tech companies hire strong engineers
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HQ: San Francisco, CA, United States
Glimpse
Acquired
What they do:
A social video chat.
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HQ: San Francisco, CA, United States
Remade
Acquired
What they do:
AI-native canvas for creative workflows.
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HQ: San Francisco, CA, United States
Wildfire
Acquired
What they do:
Social news app
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HQ: San Francisco, CA, United States