Open Source AI Coding Agents using Testing Library
A curated collection of the best open source tools that take a task or issue and carry it to completion on their own: planning, editing files, running tests, and opening pull requests. using Testing Library.
Autonomous coding agents that complete real engineering tasks
Stars
90,504Last commit
9 hours agoLicense
MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.
Open Source Alternative to:
Open-source AI coding agent for your editor and terminal
Stars
70,120Last commit
2 hours agoLicense
Apache-2.0
AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
Open Source Alternative to:
General-purpose AI agent for code, workflows, and more
Stars
55,136Last commit
20 hours agoLicense
Apache-2.0
Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
36,172Last commit
23 hours agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
27,550Last commit
3 hours agoLicense
MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Open Source Alternative to:
AI coding agent that sees your live app and edits code
Stars
714Last commit
27 minutes agoLicense
Apache-2.0
Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.
Open Source Alternative to:
Self-hosted AI coding agent that opens real PRs
Stars
286Last commit
6 hours agoLicense
FCL-1.0
Source-available, self-hosted AI coding agent that connects to your repo, tools, and chat to investigate issues and open reviewable PRs on your own infrastructure.
Open Source Alternative to:
Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
Openlane