Aider
Open-source AI pair programmer in your terminal
4.4(290 reviews)
Free
Added 3/18/2026
About Aider
Aider is an open-source command-line tool that lets you pair program with LLMs to edit code in your local git repository. Works with GPT-4, Claude, and other models to make multi-file changes with automatic git commits.
Key Features
- Terminal-based editing
- Multi-file changes
- Auto git commits
- Multi-model support
- Repository mapping
- Voice coding
Pros
- ✓ Free and open source
- ✓ Works with many models
- ✓ Great git integration
Cons
- ✗ Requires API keys
- ✗ Terminal-only interface
