Floot
Hiring
What they do:
The app platform inside Claude and ChatGPT.
Quick facts:
HQ: San Francisco, CA, 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 8 of 23
Superset
Hiring
What they do:
Building self-improving software
Quick facts:
HQ: San Francisco, CA, United States
Simantic
Hiring
What they do:
Firmware simulation for AI agents
Quick facts:
What they do:
Scalable validation infrastructure for AI agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
No-code business app builder
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Accelerate development by simulating production conditions with real…
Quick facts:
HQ: Atlanta, GA, United States
What they do:
Build a custom SaaS or membership site with Webflow or Wordpress
Quick facts:
HQ: Williamsburg, VA, United States
Smartcuts
Hiring
What they do:
Chrome extension to turn clicks & keystrokes into no-code automations
Quick facts:
HQ: New York, NY, United States
What they do:
Manage your website from your favorite tools like Airtable and Notion
Quick facts:
HQ: St. Petersburg, FL, United States
What they do:
Webhooks Gateway for outgoing and incoming webhooks.
Quick facts:
HQ: London, United Kingdom
MSPilot
Hiring
What they do:
Turn AI adoption into a recurring revenue line.
Quick facts:
HQ: San Francisco, CA, United States
Poly
Hiring
What they do:
Intelligent Personal Cloud Storage
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Embedded finance platform for African businesses
Quick facts:
Firecrawl
Hiring
What they do:
Building the library for superintelligence.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Your best friend in production.
Quick facts:
What they do:
The SAFE for commercial contracts
Quick facts:
HQ: Philadelphia, PA, United States
Morph
Hiring
What they do:
Fast Models Optimized for Coding Agents
Quick facts:
HQ: Columbus, OH, United States
What they do:
Secure multiplayer workspace for teams building with agents
Quick facts:
HQ: San Francisco, CA, United States
cmux
Hiring
What they do:
Open source applied AI lab building next-gen devtools
Quick facts:
HQ: San Francisco, CA, United States
Kilvin
Hiring
What they do:
Custom software for your business
Quick facts:
HQ: New York, NY, United States
a0.dev
Hiring
What they do:
We make mobile apps using AI.
Quick facts:
HQ: San Francisco, CA, United States
Cua
Hiring
What they do:
Give every agent a cloud desktop
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The open-source context layer for data agents
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Attune
Hiring
What they do:
Faster builds, zero effort.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Training gyms for computer use and software engineering work
Quick facts:
HQ: San Francisco, CA, United States
Klavis AI
Hiring
What they do:
High Quality Coding & Agentic Data for AI labs
Quick facts:
What they do:
Automation Foundation Models For Tiny Devices
Quick facts:
HQ: San Francisco, CA, United States
Pangolin
Hiring
What they do:
Open networking and security for your workforce, AI agents, and infra
Quick facts:
HQ: New York, NY, United States
Nozomio
Hiring
What they do:
product lab. focused on personal ai and context.
Quick facts:
HQ: San Francisco, CA, United States
Scott AI
Hiring
What they do:
The planning layer for teams that build with coding agents
Quick facts:
HQ: New York, NY, United States
Sourcebot
Hiring
What they do:
Helping humans and AI agents understand massive codebases
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI engineer that debugs and fixes production incidents in realtime
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Analyze, act, and automate across systems
Quick facts:
HQ: New York, NY, United States
What they do:
Empowering anyone to build cellular network
Quick facts:
HQ: San Francisco, CA, United States
Rulebricks
Hiring
What they do:
Add powerful decision-making capabilities to any automated workflow.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
No-code workflow tool
Quick facts:
HQ: Houston, TX, United States