Aider
Terminal-based AI pair programmer that writes commits.
Aider is a free, open-source CLI tool that pairs an AI editor with your local git repo. It reads files, writes patches, runs tests, and commits with a structured message — fully scriptable, fully local.
Pros
- ✅ Free and open source
- ✅ Writes proper commits
- ✅ Composes well with shell workflows
Cons
- ⚠️ No IDE UI
- ⚠️ Needs BYO API key
Use cases
CLIgit workflowopen-source
Compare with similar tools
All in Coding →Compare
Aider vs Cursor
Side-by-side breakdown
Compare
Aider vs GitHub Copilot
Side-by-side breakdown
Compare
Aider vs Replit Agent
Side-by-side breakdown
Cursor
FeaturedCoding · Claude / GPT-4o (configurable)
9.5
AI-first VS Code fork — chat, edit, and agentic coding in one IDE.
Freemium· Free hobby; Pro $20/mocodingrefactors
GitHub Copilot
FeaturedCoding · GPT-4o / Claude / OpenAI o-series
9.1
The original AI pair programmer, now with chat and agents.
Paid· $10/mo individual; $19/mo businessautocompletechat
Replit Agent
FeaturedCoding
8.7
Build & deploy a full app from a single prompt.
Freemium· Free credits; Core $20/moprototypesinternal tools
Codeium
Coding
8.3
Free, fast AI autocomplete + chat across 70+ editors.
Freemium· Free; Pro $15/moautocompletechat
Cody
Coding
8.0
Sourcegraph's AI coding assistant — codebase-aware via their search index.
Freemium· Free; Pro $9/mo; Enterprise customenterprisemonorepos
Continue
Coding
7.9
Open-source, self-hostable VS Code/JetBrains AI assistant.
Freeself-hostedopen source