Open source alternatives to Claude Code
3 free tools that do the job of Claude Code, most stars first. All plug into a coding agent.
3 alternatives
Sorted by most stars.-
OpenCode
An open-source coding agent for your terminal, editor and desktop.
Also an alternative to Cursor
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Gemini CLI
Google's command-line AI agent for working with code and files.
Plugs into your coding agent
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Aider
Pair-program with an AI in your terminal: it edits your files and commits with git.
Also an alternative to Cursor
More alternatives in Coding agents
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Ask us to add itAbout these numbers. Stars, dates and licenses come from GitHub through ecosyste.ms, collected on 10 Nov 2026; they can lag GitHub by a few days. A project is listed only if it has 300 or more stars, was updated in the last 12 months and states a license. A listing is not an endorsement, and we have not tested these tools on Antideploy yet. Logos belong to their projects and companies and are shown only to say which is which.