Aider
Open-source AI pair programmer in your terminal — git-first edits, BYO API key, 100+ languages, voice + image input, zero subscription.
Features
Feature 1
Open-source, free CLI tool
Feature 2
Every AI edit becomes a reviewable Git commit
Feature 3
Supports 100+ programming languages
Feature 4
BYO key: Claude, OpenAI, OpenRouter, Ollama, Bedrock, Vertex
Feature 5
Voice coding and image (vision) input
Feature 6
In-chat URL fetching
Feature 7
Auto-runs linters and tests, fixes detected problems
Feature 8
Benchmark suite for code-edit accuracy