What they do:
The notification inbox for web/mobile applications.
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Top Engineering, Product and Design Startups
This list has 629 startups and was last updated on Oct 15, 2026. 142 of them are hiring right now. Biggest hubs: San Francisco (360), New York (59), and London (22). Largest teams: GitLab, Optimizely, and Flock Safety. Latest round: Clueso raised $10M (Oct 13, 2026).
629 startupsPage 8 of 18
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Classify Anything
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HQ: CA, United States
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AI agents rewriting & optimising your internal documentation for LLMs
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HQ: San Francisco, CA, United States
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Internal developer platform for Terraform, OpenTofu and Helm
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HQ: Los Angeles, CA, United States
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Claude Code design workspace built for product teams
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HQ: Issaquah, WA, United States
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AI-powered product assistance for modern software teams
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HQ: San Francisco, CA, United States
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QA agents that write tests 10x faster with zero maintenance
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HQ: San Francisco, CA, United States
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Product Native Models
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HQ: San Francisco, CA, United States
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The Open-Source Alternative to Claude Managed Agents
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HQ: San Francisco, CA, United States
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Training Data for Recursive Self-Improvement
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HQ: San Francisco, CA, United States
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Applied Lab focused on Search in Latent Spaces.
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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
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API for shared embeddable web browsers
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What they do:
Realtime Data Connectors
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HQ: Mexico City, Mexico
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Design and build great interfaces
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HQ: Remote
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AI-first user research platform
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HQ: San Francisco, CA, United States
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We build tools to help humanity predict the future.
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HQ: New York, NY, United States
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Automating root cause analysis with generative AI
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HQ: New York, NY, United States
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The Data Platform for Mission‑Critical Systems
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HQ: San Francisco, CA, United States
What they do:
The API for LLM tool use
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HQ: San Francisco, CA, United States
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Event extraction for Medical Researchers
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HQ: Seattle, WA, United States
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AI Website platform that grows revenue automatically
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HQ: San Francisco, CA, United States
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Optimize performance on GPUs - 10x faster
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HQ: New York, NY, United States
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AI-Powered Engineering Productivity
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HQ: San Francisco, CA, United States
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Unlimited inference at $5 per stream
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HQ: San Francisco, CA, United States
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An AI-powered test and debug platform for chip developers
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HQ: New York, NY, United States
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ComfyUI for everyone on your team
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HQ: San Francisco, CA, United States
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The COLD Task Framework
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HQ: San Francisco, CA, United States
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AI agent that optimizes inference for embedded compute like Jetson
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HQ: London, United Kingdom
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Data for biomedical AI
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HQ: San Francisco, CA, United States
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A Reliable AI Frontend Engineer
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HQ: San Francisco, CA, United States
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AI Product Designer
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HQ: Istanbul, Turkey
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The Lovable & Replit killers
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HQ: San Francisco, CA, United States
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Stripe for telephony
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HQ: Lehi, UT, United States
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Struct keeps prod running
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HQ: San Francisco, CA, United States