Fabius
Shut down
What they do:
AI to improve Sales Calls
Quick facts:
HQ: San Francisco, CA, United States
Top B2B Software Startups in the United States
This list has 3,865 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (2,110), New York (555), and Los Angeles (79). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
3,865 startupsPage 106 of 108
Serial
Shut down
What they do:
Root cause manufacturing issues in seconds
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HQ: San Francisco, CA, United States
moonrepo
Shut down
What they do:
Open source build tool for monorepos and large codebases
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HQ: Portland, OR, United States
GreenTally
Shut down
What they do:
Affordable carbon tracking solution for all businesses
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HQ: San Francisco, CA, United States
Lysto
Shut down
What they do:
Revenue intelligence platforms for startups
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HQ: New York, NY, United States
Vizly
Shut down
What they do:
Data to insights in seconds
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HQ: San Francisco, CA, United States
Vango AI
Shut down
What they do:
Development platform that makes it 10x easier to improve visual models
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HQ: San Francisco, CA, United States
RadMate AI
Shut down
What they do:
Copilot for radiologists
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HQ: San Francisco, CA, United States
Patchwork
Shut down
What they do:
Your team’s AI powered communication tool
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HQ: San Francisco, CA, United States
Glimmer
Shut down
What they do:
AI search for massive PDFs
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HQ: San Francisco, CA, United States
crmCopilot
Shut down
What they do:
Give Salesforce the AI upgrade it deserves
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HQ: San Francisco, CA, United States
Aedilic
Shut down
What they do:
Open-Source AI-generated image/deepfake detection
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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.
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HQ: San Francisco, CA, United States
Pre
Shut down
What they do:
The AI accountability agent for startup founders
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HQ: Lake Oswego, OR, United States
Tivara
Shut down
What they do:
The AI workforce for medical groups
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HQ: New York, NY, United States
RiskAngle
Shut down
What they do:
AI medical summaries in minutes
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HQ: San Francisco, CA, United States
Baseline AI
Shut down
What they do:
AI document creation and data management for clinical trials
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HQ: San Francisco, CA, United States
Zeroframe
Shut down
What they do:
Pushing the boundaries of AI
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HQ: San Francisco, CA, United States
Gait
Shut down
What they do:
Building Dev Infra for AI Software Engineers
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HQ: San Francisco, CA, United States
supercontrast
Shut down
What they do:
AI Co-Pilot for Design
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HQ: San Francisco, CA, United States
Sublingual
Shut down
What they do:
Daily productivity tracker
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HQ: San Francisco, CA, United States
Kanava AI
Shut down
What they do:
Your First AI Sales Hire for Wholesale Distributors
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HQ: San Francisco, CA, United States
Nuntius
Shut down
What they do:
Making Models Follow Rules.
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HQ: San Francisco, CA, United States
TectoAI
Shut down
What they do:
A Platform for AI Governance
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HQ: San Francisco, CA, United States
Sylvian
Shut down
What they do:
Specialized AI Agents.
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HQ: San Francisco, CA, United States
Klaus AI
Shut down
What they do:
Fast and Safe OpenClaw on the cloud
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HQ: San Francisco, CA, United States
Q2Q
Shut down
What they do:
We help private equity teams find acquisition targets faster
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HQ: San Francisco, CA, United States
Mendral
Shut down
What they do:
AI DevOps Engineer
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HQ: San Francisco, CA, United States
Oddpool
Shut down
What they do:
Institutional infrastructure for prediction markets
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HQ: San Francisco, CA, United States
GiveSpark
Shut down
What they do:
Givespark was a celebrity charity fundraising platform
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HQ: San Francisco, CA, United States
Draft
Shut down
What they do:
Making Draft. Super simple version control and collaboration for…
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HQ: Chicago, IL, United States
AppHarbor
Shut down
What they do:
.NET Cloud Platform as a Service
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HQ: San Francisco, CA, United States
MerryMint
Shut down
What they do:
Virtual activities for remote teams
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HQ: San Francisco, CA, United States
Think Gaming
Shut down
What they do:
We provide market data on the mobile games business to developers,…
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HQ: New York, NY, United States