Siasto
Shut down
What they do:
Siasto is a collaboration tool designed for SMBs who use Google Apps,…
Quick facts:
HQ: San Francisco, CA, United States
Top B2B Software Startups in San Francisco
This list has 2,110 startups and was last updated on Oct 15, 2026. 572 of them are hiring right now. Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,110 startupsPage 55 of 59
Venuetastic
Shut down
What they do:
Venue marketplace.
Quick facts:
HQ: San Francisco, CA, United States
LaunchHear
Shut down
What they do:
LaunchHear was a startup attempting to make PR scale in the same way…
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HQ: San Francisco, CA, United States
Data Marketplace
Shut down
What they do:
Data Marketplace helps people find, buy and sell data online. It helps users seeking a specific data to creating a request for free, explain their needs, add…
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HQ: San Francisco, CA, United States
Infoharmoni
Shut down
What they do:
Inforharmoni is a data visualization company that visualizes real-time social web and aggregates content.
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HQ: San Francisco, CA, United States
Notifo
Shut down
What they do:
Notifo is a mobile application and platform which allows any web site or service to easily create mobile notifications. While it's currently only an iPhone…
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HQ: San Francisco, CA, United States
NudgePad
Shut down
What they do:
Online IDE. We joined Microsoft in 2014.
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HQ: San Francisco, CA, United States
Instantq
Shut down
What they do:
InstantQ is an online platform that enables restaurants to distribute JIT promotions to its customers. It was launched in 2009 by Dana Levine and is based in…
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HQ: San Francisco, CA, United States
Snipd
Shut down
What they do:
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
Wundrbar
Shut down
What they do:
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
Joberator
Shut down
What they do:
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
LeanMarket
Shut down
What they do:
Mobile advertising
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HQ: San Francisco, CA, United States
Framebase
Shut down
What they do:
API for video.
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HQ: San Francisco, CA, United States
Hiptype
Shut down
What they do:
Hiptype is a marketing and analytics platform for eBooks. We can…
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HQ: San Francisco, CA, United States
Kippt
Shut down
What they do:
Kippt is a social bookmarking service
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HQ: San Francisco, CA, United States
Collections
Shut down
What they do:
Finder for the Cloud
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HQ: San Francisco, CA, United States
Dreamforge
Shut down
What they do:
Simple 3d modeling software for 3d printers.
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HQ: San Francisco, CA, United States
Keychain Logistics
Shut down
What they do:
Software that connects the supply side of companies that ship product…
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HQ: San Francisco, CA, United States
Profig
Shut down
What they do:
The phone system for businesses. Manage everything from your company…
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HQ: San Francisco, CA, United States
Scoutzie
Shut down
What they do:
Scoutzie is a curated community for the best mobile designers. If…
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HQ: San Francisco, CA, United States
Swish
Shut down
What they do:
Kickstarter for physical products. Shop exclusive product launches.
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HQ: San Francisco, CA, United States
PayTango
Shut down
What they do:
Simple invoicing
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HQ: San Francisco, CA, United States
Trainzen
Shut down
What they do:
Educational assessments made easy. Eliminating paper-based exams in…
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HQ: San Francisco, CA, United States
Posmetrics
Shut down
What they do:
Ultra-short feedback surveys on tablets mounted in businesses. Higher…
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HQ: San Francisco, CA, United States
Prophecy Sciences
Shut down
What they do:
Predicting workplace performance through neuroscience
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HQ: San Francisco, CA, United States
StackMachine
Shut down
What they do:
Instant sandboxed server environments
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HQ: San Francisco, CA, United States
Crowdery
Shut down
What they do:
[Now Clara, YC S14- claralabs.com]
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HQ: San Francisco, CA, United States
GoComm
Shut down
What they do:
Mobile communications platform for teams working on live events
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HQ: San Francisco, CA, United States
Floobits
Shut down
What they do:
Real-time collaborative editing in the browser with support for…
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HQ: San Francisco, CA, United States
LocalOn
Shut down
What they do:
Web marketing for SMBs & merchants associations.
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HQ: San Francisco, CA, United States
Watchsend
Shut down
What they do:
Videos of your iOS apps
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HQ: San Francisco, CA, United States
Butter Systems
Shut down
What they do:
Replacing the paper restaurant menu with an interactive experience at…
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HQ: San Francisco, CA, United States
Kivo
Shut down
What they do:
Git for Documents
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HQ: San Francisco, CA, United States
Threadable
Shut down
What they do:
Mailing lists 2.0. Threadable makes group email less noisy and more…
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HQ: San Francisco, CA, United States
Unicornly
Shut down
What they do:
Unicorn.ly makes fundraising more efficient for both angel investors…
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HQ: San Francisco, CA, United States
AirPair
Shut down
What they do:
Instant access to the world's best software experts via video chat…
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HQ: San Francisco, CA, United States