AI Code & Developer Tools
Aider
Free, open-source AI pair programmer that edits your repo from the command line.
Freedesktop
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DEV-TOP · horizontalWhat it does
Aider is an open-source command-line tool that lets an AI model make real, committed edits across multiple files in your local Git repository based on chat instructions, reviewing and applying diffs as it goes.
This is a direct link to Aider — we don't currently earn anything from it.
Free tier reality
The tool itself is free and open source; you supply your own API key (including free-tier model options) for the underlying model.
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DEV-MID · rectangleKey features
- Open source CLI tool
- Multi-file repo edits with auto-commits
- Model-agnostic (works with many providers)
- Voice-to-code input option
Best for
- Terminal-first developers who want AI pairing without an IDE
Alternatives
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DEV-BOTTOM · horizontalAider FAQ
Questions about this tool
Is Aider free?
Yes — The tool itself is free and open source; you supply your own API key (including free-tier model options) for the underlying model.
What is Aider best for?
Terminal-first developers who want AI pairing without an IDE
What platforms does Aider run on?
Aider is available on: desktop.