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What they do:
The Open-Core Security Graph
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HQ: San Francisco, CA, United States
This list has 3,431 startups and was last updated on Oct 15, 2026. 897 of them are hiring right now. Biggest hubs: San Francisco (1,811), New York (387), and London (120). Largest teams: Deel, 99minutos, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).

What they do:
The Open-Core Security Graph
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HQ: San Francisco, CA, United States

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AI Powered CAD
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HQ: San Francisco, CA, United States

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Global B2B Stablecoin Processor
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HQ: San Francisco, CA, United States

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In-call AI teleprompter that helps reps close enterprise deals
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HQ: San Francisco, CA, United States

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An Collaborative, AI-native IDE for Hardware Engineers
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HQ: Los Angeles, CA, United States

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AI for account management and customer success
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HQ: New York, NY, United States

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Software to monitor, control, and optimize data centers.
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HQ: San Francisco, CA, United States

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Program verification so even your systems engineers can vibecode
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HQ: San Francisco, CA, United States

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Open Source AI Agent Improvement Platform
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HQ: San Francisco, CA, United States

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The World's First AI Ad Network.
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HQ: San Francisco, CA, United States

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AI-powered accounting automation for construction and manufacturing
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HQ: San Francisco, CA, United States

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The app platform inside Claude and ChatGPT.
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HQ: San Francisco, CA, United States

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AI platform to grow and to optimize car washes
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HQ: San Francisco, CA, United States

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Voice AI Agents for Debt Collection
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HQ: Mexico City, Mexico

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AI Native Rippling for Deskless Workers
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HQ: San Francisco, CA, United States

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AI agents for on-call
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HQ: San Francisco, CA, United States

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Agentic infrastructure to power AI-native companies.
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HQ: Vienna, Austria

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AI Associates for Middle-Market Private Equity
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HQ: San Francisco, CA, United States

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Agentic AI for intellectual property
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Building self-improving software
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HQ: San Francisco, CA, United States

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Dynamically pricing the whole economy.
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HQ: San Francisco, CA, United States

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communication for agents
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HQ: San Francisco, CA, United States

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The open source alternative to Claude Cowork
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HQ: San Francisco, CA, United States

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The autonomous ERP for every manufacturer
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HQ: New York, NY, United States

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Computer use agents to deploy enterprise marketing campaigns
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HQ: San Francisco, CA, United States

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AI employees that run home appliance repair companies
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HQ: New York, NY, United States

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The AI Coach for in person sales reps.
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HQ: San Francisco, CA, United States

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Firmware simulation for AI agents
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Self-Driving Customer Care
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HQ: San Francisco, CA, United States

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Reduce payment fraud
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HQ: San Francisco, CA, United States

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AppLovin for the food & CPG
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HQ: New York, NY, United States

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We make engineering interviewing look more like real work.
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Scalable validation infrastructure for AI agents
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HQ: San Francisco, CA, United States

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Organizing the world's inventory.
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HQ: San Francisco, CA, United States

What they do:
No-code business app builder
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HQ: San Francisco, CA, United States

What they do:
Accelerate development by simulating production conditions with real…
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HQ: Atlanta, GA, United States