
Nexa Labs
What they do:
Implantable microchips and AI for cattle monitoring
Quick facts:
HQ: San Francisco, CA, United States
This list has 838 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (471), New York (93), and Los Angeles (28). Largest teams: Cruise, Reddit, and Twitch.

What they do:
Implantable microchips and AI for cattle monitoring
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HQ: San Francisco, CA, United States

What they do:
The notebook that thinks with you.
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HQ: San Francisco, CA, United States
What they do:
The BI bridge for unstructured data. We automatically bridge the gap…
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HQ: San Francisco, CA, United States
What they do:
A realtime wiki for getting things done.
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HQ: San Francisco, CA, United States

What they do:
Banking and Payment Platform APIs. Exited October 2014.
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HQ: San Francisco, CA, United States
What they do:
Help families stay in touch
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HQ: San Francisco, CA, United States
What they do:
Flutter combined computer vision technology with the built-in webcams…
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HQ: Los Angeles, CA, United States

What they do:
Cloud storage for photos and videos (acquired by Dropbox).
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HQ: San Francisco, CA, United States

What they do:
We help companies turn their data into great stories.
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HQ: San Francisco, CA, United States

What they do:
An easy to integrate library for native iOS applications designed to…
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HQ: San Francisco, CA, United States
What they do:
Realtime collaborative coding
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HQ: San Francisco, CA, United States

What they do:
Automate credit counseling.
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HQ: Chicago, IL, United States

What they do:
Sell to people nearby.
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HQ: San Francisco, CA, United States

What they do:
Language learning through video chat.
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HQ: San Francisco, CA, United States
What they do:
Public transit apps. Acquired by Apple in 2013.
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HQ: San Francisco, CA, United States
What they do:
Creativity at Play. Tablet toys. Acquired by Google, 2015.
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HQ: San Francisco, CA, United States

What they do:
Touch-friendly marketing, acquired by Dropbox
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HQ: San Francisco, CA, United States

What they do:
High speed peer to peer data transport technology for consumers…
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HQ: San Francisco, CA, United States
What they do:
Real-time analytics (acq by TWTR, 2012)
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HQ: San Francisco, CA, United States

What they do:
IMDB of conferences.
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HQ: San Francisco, CA, United States

What they do:
Add profiles to email.
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HQ: San Francisco, CA, United States

What they do:
Simplenote (simplenote.com) and the Simperium platform for syncing…
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HQ: San Francisco, CA, United States

What they do:
Map-based apartment search.
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HQ: San Francisco, CA, United States

What they do:
Memorial sites.
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HQ: San Francisco, CA, United States

What they do:
Eyetracking using webcams.
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HQ: San Francisco, CA, United States

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…
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HQ: San Francisco, CA, United States

What they do:
Disposable social networks.
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HQ: San Francisco, CA, United States

What they do:
Woot for iOS apps.
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HQ: Seattle, WA, United States

What they do:
Location-aware smartphone application that enables parents to keep…
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HQ: San Francisco, CA, United States

What they do:
Easy SEM software. Acquired by Twitter in 2011.
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HQ: San Francisco, CA, United States

What they do:
Effortless Video Meetings - Acquired by Jive Software in 2013
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HQ: San Francisco, CA, United States

What they do:
Embedly provides a platform and suite of tools to make embedding and previewing links simple. Embedly helps publishers and consumers manage embed codes from…
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HQ: Boston, MA, United States

What they do:
Real estate data visualization. Sold to Trulia Dec…
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HQ: San Francisco, CA, United States

What they do:
Etacts was born from the frustration of keeping in touch with our ever-growing list of friends (both business and personal), family, coworkers, and clients.…
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HQ: San Francisco, CA, United States

What they do:
DailyBooth lets users follow their friends and update them in real-time through the use of pictures and status updates.
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HQ: San Francisco, CA, United States
What they do:
We let you know where to go and what to get once you get there.…
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HQ: San Francisco, CA, United States