Reploy
Shut down
What they do:
Instant, shareable staging environments
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 21 of 23
Superpowered AI
Shut down
What they do:
API for Retrieval Augmented Generation
Quick facts:
HQ: Salt Lake City, UT, United States
Slauth.io
Shut down
What they do:
The IAM Policy Copilot
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Smobi
Shut down
What they do:
Send texts your customers actually want over RCS
Quick facts:
HQ: New York, NY, United States
CodeStory
Shut down
What they do:
Aide is an AI-native , privacy-first IDE built on top of VSCode
Quick facts:
HQ: London, United Kingdom
Tusk
Shut down
What they do:
AI agent that generates unit and integration tests
Quick facts:
HQ: San Francisco, CA, United States
Marft
Shut down
What they do:
Marft creates embeddable machine learning models for application…
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Markupwand
Shut down
What they do:
Convert Design files to working websites automagically
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Storyline
Shut down
What they do:
Create Alexa Skills without coding
Quick facts:
HQ: London, United Kingdom
Dashblock
Shut down
What they do:
Turn any website into an API
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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
Triplit
Shut down
What they do:
The best database for app developers
Quick facts:
HQ: Remote
Codeball
Shut down
What they do:
AI-Powered Code Review
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FlowDeploy
Shut down
What they do:
Bioinformatics pipelines in the cloud
Quick facts:
HQ: San Francisco, CA, United States
Valari
Shut down
What they do:
Embedded finance platform for LatAm.
Quick facts:
HQ: Mexico City, Mexico
Grai
Shut down
What they do:
Open source version control for metadata
Quick facts:
HQ: San Francisco, CA, United States
Second
Shut down
What they do:
AI-Native Enterprise Codebase Maintenance
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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
Invaria
Shut down
What they do:
The next generation logging and observability platform
Quick facts:
HQ: London, United Kingdom
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.
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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
Parallel Universe
Shut down
What they do:
Helping developers scale their applications with ease.
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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,…
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HQ: San Francisco, CA, United States
Nextop
Shut down
What they do:
Nextop optimizes the path between your app and backend. Client…
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Scanate/Fellow
Shut down
What they do:
API for Invoice Financing
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HQ: San Francisco, CA, United States
Basilica
Shut down
What they do:
Basilica is an API that embeds high-dimensional data like images and…
Quick facts:
HQ: San Francisco, CA, United States
Tensil
Shut down
What they do:
We turn machine learning models into custom hardware.
Quick facts:
HQ: San Francisco, CA, United States
Monosi
Shut down
What they do:
Open Source Data Observability
Quick facts:
HQ: San Francisco, CA, United States