Development Tool

Aider

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Open-source terminal pair programmer with git-native workflows

Aider (v0.86.1) is an open-source AI pair programming tool that runs in the terminal and keeps your workflow inside git. It can automatically create sensible commits, apply diff-based edits across multiple files, and map your repository to work on large projects. Aider works best with Claude 3.7 Sonnet, DeepSeek R1/V3, OpenAI GPT-4.1 and o3/o4-mini, and Gemini 2.5 Pro, while also supporting many other cloud and local models (via OpenRouter, Ollama, and direct API keys).

Claude Code

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Anthropic’s coding companion for terminal and desktop, powered by Claude Opus 4.5

Claude Code is Anthropic’s terminal-first coding experience available in Claude desktop/web and CLI. It uses Claude Opus 4.5 (and Sonnet 4.5 where applicable) to work across your local repositories with project context via CLAUDE.md, multi-file edits, code search, and permissioned command execution. Included with Claude Pro, Max, Team, and Enterprise plans; API usage is billed separately per model pricing.

GitHub Copilot

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AI pair programmer built into GitHub and popular IDEs

GitHub Copilot delivers inline code completions, chat, and pull request assistance powered by OpenAI GPT-4-class models with GitHub-native context. It works in VS Code, Visual Studio, JetBrains IDEs, Neovim, GitHub.com, and the Copilot CLI. Individuals get a 30-day free trial, and verified students, teachers, and maintainers can use Copilot for free; paid plans cover individuals, businesses, and enterprises.