Syncro
Shut down
What they do:
Intelligence layer for internal communications and culture
Quick facts:
HQ: San Francisco, CA, United States
Failed Startups
This list has 1,092 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (554), New York (103), and Los Angeles (35). Latest round: Modal raised $750M (Oct 14, 2026).
1,092 startupsPage 28 of 31
Metamanagement
Shut down
What they do:
We help SaaS companies deploy into their customer's environment.
Quick facts:
HQ: San Francisco, CA, United States
Observa
Shut down
What they do:
Catch accidental database exposures before the bad guys
Quick facts:
HQ: Remote
Dressd
Shut down
What they do:
Make infinite $$$ off of clothes in your closet without selling them
Quick facts:
HQ: Los Angeles, CA, United States
Outfit
Shut down
What they do:
DIY renovations in a box. Materials, tools, and instructions delivered
Quick facts:
HQ: New York, NY, United States
Alltruists
Shut down
What they do:
Kid-friendly, at-home volunteer projects in a box, delivered bimonthly
Quick facts:
HQ: Los Angeles, CA, United States
Lobby
Shut down
What they do:
Local onboarding for the $200B health tourism industry
Quick facts:
HQ: London, United Kingdom
Kindamagical
Shut down
What they do:
Create + share amazing product GIFs in minutes ⚡️
Quick facts:
HQ: San Francisco, CA, United States
Scratch Data
Shut down
What they do:
Analytics for builders. Record and query billions of datapoints with…
Quick facts:
HQ: New York, NY, United States
Ruta Health
Shut down
What they do:
Async personalized and actionable health education by real doctors
Quick facts:
HQ: San Francisco, CA, United States
Sendo
Shut down
What they do:
The best SMS/RCS API for startups
Quick facts:
HQ: New York, NY, United States
Ruleset
Shut down
What they do:
The SaaS Decision Engine for Lenders
Quick facts:
HQ: San Francisco, CA, United States
SensorSurf
Shut down
What they do:
Resolve PR check failures instantly with AI
Quick facts:
HQ: San Francisco, CA, United States
Saatvy
Shut down
What they do:
Root cause help for chronic conditions
Quick facts:
HQ: San Francisco, CA, United States
Celest
Shut down
What they do:
The Vercel of Flutter
Quick facts:
HQ: San Francisco, CA, United States
Lumona
Shut down
What they do:
AI-enabled search engine featuring insights from social media.
Quick facts:
HQ: Boston, MA, United States
BookSolid
Shut down
What they do:
BookSolid is the opentable for tour operators.
Quick facts:
YC W12Early stage
Zipio
Shut down
What they do:
Deal search service
Quick facts:
YC W12Early stage
Pixelapse
Shut down
What they do:
Github for designers. We automatically keep track of revisions of…
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
Brace
Shut down
What they do:
Backlift allows front-end only developers to build entire websites…
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
BarSense
Shut down
What they do:
Kid's first smartphone with web-based parental controls.
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
Documents.Me
Shut down
What they do:
Client-side encryption for your devices and the cloud.
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
SolidStage
Shut down
What they do:
Sysadmin as a service. We make deploying, configuring, monitoring,…
Quick facts:
YC W12Early stage
Proxino
Shut down
What they do:
Javascript proxy.
Quick facts:
HQ: San Francisco, CA, United States
YC S11Early stage
Brushes
Shut down
What they do:
iPad drawing software.
Quick facts:
YC S10Early stage
Gantto
Shut down
What they do:
Better Microsoft Project.
Quick facts:
HQ: San Francisco, CA, United States
YC S10Early stage
Post.fm
Shut down
What they do:
New email inbox.
Quick facts:
HQ: London, United Kingdom
Pribbit
Shut down
What they do:
Like Twitter but you post others' status.
Quick facts:
HQ: Los Angeles, CA, United States
YC S10Early stage
Recurious
Shut down
What they do:
thesixtyone is Digg for new music, a social filter for the tsunami of indie creativity hitting the web. Like Digg, the homepage is community driven. Listeners…
Quick facts:
HQ: San Francisco, CA, United States
YC W09Early stage
Wattvision
Shut down
What they do:
Sensors and software for energy tracking. Like 'fitbit' for your…
Quick facts:
HQ: Princeton, NJ, United States
Nambii
Shut down
What they do:
Nambii is an online dating service with iPhone applications that allow users to send and receive flirts with people around them.
Quick facts:
HQ: San Francisco, CA, United States
YC W09Early stage
CO2Stats
Shut down
What they do:
Social and environmental web analytics. Acquired in December 2016.
Quick facts:
HQ: Boston, MA, United States
YC S08Early stage
Claimspotting
Shut down
What they do:
Claim and conquer your city
Quick facts:
HQ: Remote
YC S08Early stage
People & Pages
Shut down
What they do:
People and Pages is a service similar to Google Groups, allowing group organizers to manage email lists and publish to the web in one place. Although the…
Quick facts:
YC S08Early stage
FathomDB
Shut down
What they do:
FathomDB offers databases as a service, taking care of many of the day-to-day tasks database administrators have to deal with and letting them focus on more…
Quick facts:
HQ: San Francisco, CA, United States
YC W08Early stage
Hello Chair
Shut down
What they do:
Hello, Chair Inc. was founded in 2006 by Luke Iannini, Mike Jacobs and Kevin Corcoran to explore opportunities in applied machine learning and internet…
Quick facts:
HQ: San Francisco, CA, United States
YC S07Early stage