
What they do:
Interactive meetings and presentations
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HQ: San Francisco, CA, United States
This list has 43 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (21), Boston (3), and New York (2). Largest teams: Machine Zone, Heroku, and A Thinking Ape.

What they do:
Interactive meetings and presentations
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HQ: San Francisco, CA, United States

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Take Back Control of your Time
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HQ: Seattle, WA, United States

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Simple third-party app patching and deployment for Windows.
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HQ: San Francisco, CA, United States

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Pioneers of mobile social gaming.
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HQ: San Francisco, CA, United States

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Enabling developers to build and run applications in the cloud.
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HQ: San Francisco, CA, United States

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We build communities through massively multiplayer mobile games
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NoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data…
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HQ: Boston, MA, United States

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Dead simple blogs by email
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HQ: San Francisco, CA, United States

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280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete…
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HQ: San Francisco, CA, United States
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Acquired by Google in 2011
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HQ: San Francisco, CA, United States

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BackType was an analytics company acquired by Twitter in 2011
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HQ: San Francisco, CA, United States

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Edit and enhance online video. Acquired by Google in July 2008.
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HQ: Atherton, CA, United States
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Treehouse is an online technology school that offers beginner to advanced courses in web design, web development, mobile development and game development…
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HQ: San Francisco, CA, United States

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Photo Sharing platform for families
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HQ: San Francisco, CA, United States
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Better PhoneGap.
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HQ: San Francisco, CA, United States
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OhLife is a personal journal that you'll actually keep. Every day we send you an email asking "How'd your day go?" You type as much as you want and hit reply.…
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HQ: San Francisco, CA, United States
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Frogmetrics aggregates your data from unlimited locations, automatically finds the most important statistics, and helps you gain insights about your business…
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HQ: New York, NY, United States
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Anyvite is a free site dedicated to event invitation creation and group organization. Launched in 2008, Anyvite provides users with the most efficient way to…
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HQ: Columbia, MD, United States
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The Youlicit web content recommendation engine leverages the wisdom of the crowds to return the most recommended sites related to a website or topic. To use…
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HQ: New York, NY, United States
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Team Apart is a real-time online group collaboration tool.
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TicketStumbler is a secondary ticket market search engine and comparison website. They search through thousands of ticket listings from hundreds of brokers…
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HQ: Boston, MA, United States

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Grab pieces of enjoyable content from any page, save them online, and share without having to copy/paste using a simple bookmarklet. For bloggers and media…
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HQ: San Francisco, CA, United States
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Popcuts is an online music store where fans participate in the…
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HQ: Lucerne Valley, CA, United States

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Votable lists
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HQ: San Francisco, CA, United States

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MightyQuiz powers a collection of user generated quiz questions that can be answered and rated on-site or through a distributable widget.
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HQ: San Francisco, CA, United States
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Wundrbar wants to improve upon the search bar experience by providing users with powerful inline commands. The idea is reminiscent of YubNub but Wundrbar…
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HQ: San Francisco, CA, United States
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SocialBrowse is a Firefox extension for sharing links. It has been described as "a Twitter for links".
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Online mixtape service (create and share mixtapes). Launched as part…
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HQ: San Francisco, CA, United States

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social micropayments
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Kirkland North is taking an infectious campus-wide game that it ran at Yale and Harvard last year and spreading it to other campuses around the country. The…
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HQ: San Francisco, CA, United States

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Deluux aims to become distributed Facebook, or inverted Ning, by relocating the center of people's online identities to their websites, which exist outside of…
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HQ: Atlanta, GA, United States
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YumDots wants to be the go-to mobile application for finding places to eat when out on the town. Its emphasis on using interactive maps to display information…
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HQ: San Francisco, CA, United States

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Snaptalent powers a distributed job advertisement network primarily meant for developer listings. Job ads submitted to Snaptalent are displayed on the…
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HQ: London, United Kingdom
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Joberator was formed to tackle head-on the growing challenges and connection-gap issues in the STEM employment and recruitment marketplace. Our goal is to…
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HQ: San Francisco, CA, United States

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Social and environmental web analytics. Acquired in December 2016.
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HQ: Boston, MA, United States

What they do:
Claim and conquer your city
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HQ: Remote
There are 43 startups on this list, last updated on Oct 15, 2026.
None of them shows open roles right now.
By team size: Machine Zone (501 employees), Heroku (300 employees), and A Thinking Ape (75 employees).
The biggest hubs are San Francisco (21), Boston (3), and New York (2).