What they do:
Dataset Management for AI Trainers
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HQ: New York, NY, United States
Top Developer Tools Startups
This list has 794 startups and was last updated on Oct 15, 2026. 187 of them are hiring right now. Biggest hubs: San Francisco (441), New York (75), and London (39). Largest teams: GitLab, PagerDuty, and Algolia. Latest round: Coding Giants raised €6M (Oct 14, 2026).
Survival statistics →886 open roles →
794 startupsPage 11 of 23
What they do:
An all-in-one platform for building internal agents & workflows
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HQ: Salt Lake City, UT, United States
What they do:
QA agents that write tests 10x faster with zero maintenance
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HQ: San Francisco, CA, United States
What they do:
The authentication framework for TypeScript
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HQ: San Francisco, CA, United States
What they do:
The Open-Source Alternative to Claude Managed Agents
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HQ: San Francisco, CA, United States
What they do:
Build an API to interact with any website.
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HQ: San Francisco, CA, United States
What they do:
The cheapest, fastest inference cloud
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HQ: San Francisco, CA, United States
What they do:
/dev/fast is the AI-native code forge
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HQ: San Francisco, CA, United States
What they do:
OpenRouter for Voice AI: one API, every call on the best speech model
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HQ: San Francisco, CA, United States
What they do:
Least cost routing system to reduce 70%+ token spend
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HQ: San Francisco, CA, United States
What they do:
Making the JVM faster
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HQ: San Francisco, CA, United States
What they do:
Cursor for data analysis
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HQ: New York, NY, United States
What they do:
Communication and publishing tools for scientists
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What they do:
Code review for DevOps tasks
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What they do:
Measure and communicate engineering activity
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HQ: Amsterdam, Netherlands
What they do:
API for shared embeddable web browsers
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What they do:
Easiest way to set up Zero Trust Access for your team
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HQ: San Francisco, CA, United States
What they do:
Zero-Knowledge security without seed phrases or backup codes
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HQ: Denver, CO, United States
What they do:
Models that keep learning
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HQ: London, United Kingdom
What they do:
Deploy serverless without rewriting code
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HQ: San Francisco, CA, United States
What they do:
Realtime Data Connectors
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HQ: Mexico City, Mexico
What they do:
Design and build great interfaces
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HQ: Remote
What they do:
Automating root cause analysis with generative AI
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HQ: New York, NY, United States
What they do:
Your AI butler that understands you really well and proactively acts…
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What they do:
Infrastructure for managing GPU clusters for training/serving.
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HQ: San Francisco, CA, United States
What they do:
Infuse knowledge into language models with just 10 samples
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HQ: San Francisco, CA, United States
What they do:
AI-powered Infrastructure as Code PR reviews
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What they do:
High precision AI weather
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HQ: Ann Arbor, MI, United States
What they do:
Optimize performance on GPUs - 10x faster
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HQ: New York, NY, United States
What they do:
An AI-powered test and debug platform for chip developers
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HQ: New York, NY, United States
What they do:
Config Management for Robotics
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HQ: San Francisco, CA, United States
What they do:
The COLD Task Framework
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HQ: San Francisco, CA, United States
What they do:
AI agent that optimizes inference for embedded compute like Jetson
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HQ: London, United Kingdom
What they do:
Lossless web data.
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HQ: San Francisco, CA, United States
What they do:
A Reliable AI Frontend Engineer
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HQ: San Francisco, CA, United States
What they do:
Open-source AI coworker with memory
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