
Hydra
What they do:
Serverless Analytics on Postgres
Quick facts:
HQ: San Francisco, CA, United States
This list has 3,698 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (3,173), Los Angeles (197), and San Diego (39). Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Renue Life Sciences raised $250K (Oct 14, 2026).

What they do:
Serverless Analytics on Postgres
Quick facts:
HQ: San Francisco, CA, United States

What they do:
Unlocking Virtual Power Plants for rental properties
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HQ: Los Angeles, CA, United States

What they do:
Turn user feedback to product insights
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HQ: San Francisco, CA, United States

What they do:
Help high-growth tech companies hire strong engineers
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HQ: San Francisco, CA, United States

What they do:
Automate outbound with signals
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HQ: San Francisco, CA, United States

What they do:
Real-time speech translation
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HQ: San Francisco, CA, United States

What they do:
Financial copilot for institutional investors
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HQ: San Francisco, CA, United States

What they do:
Agent with a computer
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HQ: San Francisco, CA, United States

What they do:
Artificial Specialized Intelligence
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HQ: San Francisco, CA, United States

What they do:
Coding for teens
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HQ: San Francisco, CA, United States

What they do:
Wearables and AI to predict and prevent sepsis outside the hospital
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HQ: San Francisco, CA, United States

What they do:
New clinical tests for managing autoimmune treatments.
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HQ: San Francisco, CA, United States

What they do:
AI Powered Personalized Videos
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HQ: San Francisco, CA, United States

What they do:
Acquired by Brex. Building digital payments infrastructure.
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HQ: San Francisco, CA, United States

What they do:
Acquired by FuboTV (NYSE: FUBO) - Contest automation software…
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HQ: San Francisco, CA, United States

What they do:
Using AI to understand construction plans faster.
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HQ: Los Angeles, CA, United States

What they do:
Quickly build internal tools for your ops team's manual workflows
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HQ: San Francisco, CA, United States

What they do:
A social video chat.
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HQ: San Francisco, CA, United States

What they do:
Fig adds visual apps, shortcuts, and autocomplete to your terminal.
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HQ: San Francisco, CA, United States

What they do:
Build & launch your website in minutes with AI
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HQ: San Francisco, CA, United States

What they do:
Fast, up-to-date answers for Sales & Support
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HQ: San Francisco, CA, United States

What they do:
Digital e-prescribing software for veterinarians.
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HQ: San Francisco, CA, United States

What they do:
Business intelligence on text
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HQ: San Francisco, CA, United States

What they do:
Open source continuous profiling software to debug performance issues
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HQ: San Francisco, CA, United States

What they do:
Secure fraud prevention and authentication platform for developers
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HQ: San Francisco, CA, United States

What they do:
App for B2B companies to find customer stories and advocates
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HQ: San Francisco, CA, United States

What they do:
Increasing restaurant profitability through our AI Operating System
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HQ: San Francisco, CA, United States

What they do:
Reliable blockchain indexing & querying for web3 engineering teams.
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HQ: San Francisco, CA, United States

What they do:
AI automation for insurance brokerages
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HQ: San Francisco, CA, United States

What they do:
Autofix your software dependencies
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HQ: San Francisco, CA, United States

What they do:
AI-powered order taker for restaurant drive-thrus
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HQ: San Francisco, CA, United States

What they do:
AI startup investor, No Cap
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HQ: San Francisco, CA, United States
What they do:
LLM Observability for Developers
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HQ: San Francisco, CA, United States

What they do:
AI-native tax platform to save $1T+ for Americans
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HQ: San Francisco, CA, United States

What they do:
Flexible systems for clinical reasoning.
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HQ: San Francisco, CA, United States

What they do:
Acquired by Box in June 2014. We built: (1) a native win/mac…
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HQ: San Francisco, CA, United States