Xkit
Shut down
What they do:
Universal CRM integration for B2B SaaS apps
Quick facts:
HQ: San Francisco, CA, United States
Top Developer Tools Startups in the United States
This list has 603 startups and was last updated on Oct 15, 2026. 157 of them are hiring right now. Biggest hubs: San Francisco (441), New York (75), and Los Angeles (20). Largest teams: GitLab, PagerDuty, and Algolia. Latest round: Supabase raised $150M (Oct 2, 2026).
603 startupsPage 16 of 17
Light Table/Eve
Shut down
What they do:
Eve is our way of bringing the power of computation to everyone, not…
Quick facts:
HQ: San Francisco, CA, United States
Tipe
Shut down
What they do:
Open-source, customizable, headless CMS
Quick facts:
HQ: San Francisco, CA, United States
Pagedraw
Shut down
What they do:
Pagedraw is a platform for productionizing designs into code. Thanks…
Quick facts:
HQ: San Francisco, CA, United States
Unflow
Shut down
What they do:
The next generation CMS built for mobile apps
Quick facts:
HQ: New York, NY, United States
Enveloop
Shut down
What they do:
Design and send messages from your app with a simple API.
Quick facts:
HQ: Birmingham, AL, United States
Duckly
Shut down
What they do:
Video chat with real-time collaboration.
Quick facts:
HQ: San Francisco, CA, United States
Abbot
Shut down
What they do:
Your Customer Success Co-Pilot
Quick facts:
HQ: San Francisco, CA, United States
Pelm
Shut down
What they do:
Plaid for utilities
Quick facts:
HQ: San Francisco, CA, United States
Vessel
Shut down
What they do:
Developer-first, native integration platform for GTM tools
Quick facts:
HQ: San Francisco, CA, United States
Airtrain AI
Shut down
What they do:
No-code data curation for LLM fine-tuning and evaluation.
Quick facts:
HQ: San Francisco, CA, United States
Lynx
Shut down
What they do:
AI platform for investigating and resolving engineering incidents
Quick facts:
HQ: San Francisco, CA, United States
Structured Labs
Shut down
What they do:
The publishing layer for the agentic internet
Quick facts:
HQ: San Francisco, CA, United States
Tesseral
Shut down
What they do:
The open source platform for managing identity in business software
Quick facts:
HQ: San Francisco, CA, United States
Contrast
Shut down
What they do:
Developer Handoff - Reimagined for Storybook
Quick facts:
HQ: New York, NY, United States
LunaSec
Shut down
What they do:
An Open Source dependency security tool that is smarter than the rest
Quick facts:
HQ: Seattle, WA, United States
Reploy
Shut down
What they do:
Instant, shareable staging environments
Quick facts:
HQ: San Francisco, CA, United States
Superpowered AI
Shut down
What they do:
API for Retrieval Augmented Generation
Quick facts:
HQ: Salt Lake City, UT, United States
Smobi
Shut down
What they do:
Send texts your customers actually want over RCS
Quick facts:
HQ: New York, NY, United States
Tusk
Shut down
What they do:
AI agent that generates unit and integration tests
Quick facts:
HQ: San Francisco, CA, United States
Flow
Shut down
What they do:
Improve your browsing experience by staying organized and intentful
Quick facts:
HQ: San Francisco, CA, United States
Pashi
Shut down
What they do:
Pashi builds software to operate and optimize production lines.
Quick facts:
HQ: San Francisco, CA, United States
Atomized
Shut down
What they do:
Enabling teams to deploy without needing a cloud expert
Quick facts:
HQ: Charlotte, NC, United States
FlowDeploy
Shut down
What they do:
Bioinformatics pipelines in the cloud
Quick facts:
HQ: San Francisco, CA, United States
Grai
Shut down
What they do:
Open source version control for metadata
Quick facts:
HQ: San Francisco, CA, United States
Lantern
Shut down
What they do:
Postgres vector database extension to build AI applications
Quick facts:
HQ: San Francisco, CA, United States
Fileforge
Shut down
What they do:
API For PDF Document Workflows
Quick facts:
HQ: San Francisco, CA, United States
Percival
Shut down
What they do:
Accelerating data analysis for research
Quick facts:
HQ: San Francisco, CA, United States
Rovr
Shut down
What they do:
AI FDE Engine that runs your engineering workflows
Quick facts:
HQ: San Francisco, CA, United States
Flotype
Shut down
What they do:
Third generation of web apps.
Quick facts:
HQ: San Francisco, CA, United States
NudgePad
Shut down
What they do:
Online IDE. We joined Microsoft in 2014.
Quick facts:
HQ: San Francisco, CA, United States
Framebase
Shut down
What they do:
API for video.
Quick facts:
HQ: San Francisco, CA, United States
StackMachine
Shut down
What they do:
Instant sandboxed server environments
Quick facts:
HQ: San Francisco, CA, United States
Kivo
Shut down
What they do:
Git for Documents
Quick facts:
HQ: San Francisco, CA, United States
Omniref
Shut down
What they do:
Sticky notes for code. (We're building a community-powered,…
Quick facts:
HQ: San Francisco, CA, United States
Scanate/Fellow
Shut down
What they do:
API for Invoice Financing
Quick facts:
HQ: San Francisco, CA, United States