JustSpotted
What they do:
Acquired by Google in 2011
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HQ: San Francisco, CA, United States
This list has 6,379 startups and was last updated on Oct 15, 2026. 1,190 of them are hiring right now. Biggest hubs: San Francisco (3,173), New York (858), and Los Angeles (197). Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Lungpacer Medical raised $7.83M (Oct 14, 2026).
What they do:
Acquired by Google in 2011
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HQ: San Francisco, CA, United States

What they do:
Zenter is the gmail of slides
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HQ: San Francisco, CA, United States
What they do:
Auctomatic, a Y Combinator company, offers an auction and marketplace management system for all of those individual sellers on such sites as Ebay, Amazon,…
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HQ: San Francisco, CA, United States

What they do:
Finding wedding vendors is hard. In 2007, a couple started Project Wedding to tackle this problem and eventually grew it into a full-featured wedding planning…
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HQ: Los Angeles, CA, United States

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Parakey was founded in early 2006 by Blake Ross and Joe Hewitt of Mozilla/Firefox fame. Little has been revealed about what Parakey will actually do, but it…
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HQ: San Francisco, CA, United States

What they do:
Dead simple statistical analysis software. Like R or SPSS but easy to…
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HQ: San Francisco, CA, United States

What they do:
We're building a marketplace for unique travel experiences (it's…
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HQ: San Francisco, CA, United States
What they do:
Easel is a visual design tool built for the web. Since the web is…
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HQ: San Francisco, CA, United States

What they do:
Voice messaging platform - Acquired by Palantir in 2013
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HQ: San Francisco, CA, United States

What they do:
Mass customized active apparel. We are building a full turn key…
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HQ: San Francisco, CA, United States

What they do:
Collaborative Screen Sharing — you each get your own mouse, and…
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HQ: San Francisco, CA, United States

What they do:
Radiology in the cloud. X-rays, CAT scans, MRI's, and…
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HQ: San Francisco, CA, United States

What they do:
Acquired by MakerBot in February 2014. A marketplace for 3D…
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HQ: San Francisco, CA, United States

What they do:
Canonical permalinks for songs.
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HQ: San Francisco, CA, United States
What they do:
Fee-free ticketing, optimized for mobile.
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HQ: San Francisco, CA, United States
What they do:
Lead intelligence as a service. We want to be your personal lead…
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HQ: San Francisco, CA, United States

What they do:
Open-source time-series data analytics extension for PostgreSQL
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HQ: Los Angeles, CA, United States

What they do:
Predicted churn for enterprises. (Acquired by Block)
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HQ: San Francisco, CA, United States
What they do:
Communities for expecting and new parents.
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HQ: San Francisco, CA, United States

What they do:
Replaces paper patient lists for doctors.
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HQ: San Francisco, CA, United States

What they do:
Simple payments and tax compliance for your contract workforce.
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HQ: San Francisco, CA, United States
What they do:
Homejoy for massage
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HQ: San Francisco, CA, United States

What they do:
Bizzy is omni-channel marketing for ecommerce businesses.
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HQ: San Francisco, CA, United States

What they do:
Cyberfend delivers robust, real-time web and mobile security by…
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HQ: San Francisco, CA, United States
What they do:
WorkLife is a SaaS application that helps teams have more effective…
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HQ: San Francisco, CA, United States

What they do:
YesGraph recommends exactly who a user should invite to an app. Our…
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HQ: San Francisco, CA, United States

What they do:
Create automated messages -- email, iOS/Android push, SMS and web…
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HQ: San Francisco, CA, United States

What they do:
Valor Water Analytics delivers a SaaS platform to utilities to detect…
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HQ: Seattle, WA, United States

What they do:
Patient-derived 3D tissue reconstruction models for preclinical…
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HQ: San Francisco, CA, United States

What they do:
Diagnostic platform for early detection of liver disease
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HQ: New York, NY, United States

What they do:
White-labeled shared appreciation down payment programs for employers
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HQ: San Francisco, CA, United States
What they do:
Therapy the way it should be: high quality in-person therapy sessions…
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HQ: San Francisco, CA, United States
What they do:
Automated deployments for software teams.
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HQ: San Francisco, CA, United States
What they do:
Fabric is a personal location-based journal that catalogs experiences…
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HQ: San Francisco, CA, United States

What they do:
Revlo helps broadcasters on Twitch engage and monetize their fan…
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HQ: San Francisco, CA, United States

What they do:
Email productivity platform for business.
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HQ: Marina del Rey, CA, United States