GreenTally
Shut down
What they do:
Affordable carbon tracking solution for all businesses
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 26 of 31
Briefer
Shut down
What they do:
The collaborative data platform.
Quick facts:
Lysto
Shut down
What they do:
Revenue intelligence platforms for startups
Quick facts:
HQ: New York, NY, United States
Vizly
Shut down
What they do:
Data to insights in seconds
Quick facts:
HQ: San Francisco, CA, United States
Vango AI
Shut down
What they do:
Development platform that makes it 10x easier to improve visual models
Quick facts:
HQ: San Francisco, CA, United States
Kips Health
Shut down
What they do:
The only patient engagement software that pays you.
Quick facts:
HQ: Los Angeles, CA, United States
RadMate AI
Shut down
What they do:
Copilot for radiologists
Quick facts:
HQ: San Francisco, CA, United States
Quary
Shut down
What they do:
The first in-browser analytics engineering platform
Quick facts:
HQ: London, United Kingdom
Mango Health
Shut down
What they do:
AI Therapy for OCD
Quick facts:
Patchwork
Shut down
What they do:
Your team’s AI powered communication tool
Quick facts:
HQ: San Francisco, CA, United States
Engines
Shut down
What they do:
Setup any repo with one command
Quick facts:
Selera Medical
Shut down
What they do:
One-time, device-based treatment for heart failure
Quick facts:
HQ: San Francisco, CA, United States
Glimmer
Shut down
What they do:
AI search for massive PDFs
Quick facts:
HQ: San Francisco, CA, United States
Toolify
Shut down
What they do:
Build internal tools with AI
Quick facts:
crmCopilot
Shut down
What they do:
Give Salesforce the AI upgrade it deserves
Quick facts:
HQ: San Francisco, CA, United States
Aedilic
Shut down
What they do:
Open-Source AI-generated image/deepfake detection
Quick facts:
HQ: San Francisco, CA, United States
Preloop
Shut down
What they do:
Translate your experimental scripts into production ML services
Quick facts:
HQ: Seattle, WA, United States
Abel
Shut down
What they do:
Transforming document review for litigation teams
Quick facts:
HQ: San Francisco, CA, United States
Thorntale
Shut down
What they do:
The world's best presentation editor, powered by AI.
Quick facts:
HQ: San Francisco, CA, United States
Pre
Shut down
What they do:
The AI accountability agent for startup founders
Quick facts:
HQ: Lake Oswego, OR, United States
Flyflow
Shut down
What they do:
The easiest way to find high-quality sales leads
Quick facts:
Tivara
Shut down
What they do:
The AI workforce for medical groups
Quick facts:
HQ: New York, NY, United States
deepsilicon
Shut down
What they do:
Software and hardware to run neural networks faster and cheaper
Quick facts:
HQ: San Francisco, CA, United States
RiskAngle
Shut down
What they do:
AI medical summaries in minutes
Quick facts:
HQ: San Francisco, CA, United States
Baseline AI
Shut down
What they do:
AI document creation and data management for clinical trials
Quick facts:
HQ: San Francisco, CA, United States
Zeroframe
Shut down
What they do:
Pushing the boundaries of AI
Quick facts:
HQ: San Francisco, CA, United States
Gait
Shut down
What they do:
Building Dev Infra for AI Software Engineers
Quick facts:
HQ: San Francisco, CA, United States
supercontrast
Shut down
What they do:
AI Co-Pilot for Design
Quick facts:
HQ: San Francisco, CA, United States
Sublingual
Shut down
What they do:
Daily productivity tracker
Quick facts:
HQ: San Francisco, CA, United States
Kanava AI
Shut down
What they do:
Your First AI Sales Hire for Wholesale Distributors
Quick facts:
HQ: San Francisco, CA, United States
Nuntius
Shut down
What they do:
Making Models Follow Rules.
Quick facts:
HQ: San Francisco, CA, United States
TectoAI
Shut down
What they do:
A Platform for AI Governance
Quick facts:
HQ: San Francisco, CA, United States
Sylvian
Shut down
What they do:
Specialized AI Agents.
Quick facts:
HQ: San Francisco, CA, United States
Dome
Shut down
What they do:
A unified API for prediction markets, like Kalshi and Polymarket
Quick facts:
Coasts
Shut down
What they do:
Localhost service isolation and orchestration for git worktrees
Quick facts:
Klaus AI
Shut down
What they do:
Fast and Safe OpenClaw on the cloud
Quick facts:
HQ: San Francisco, CA, United States