Development Tool

Aider

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Open-source AI pair programming in your terminal with automatic git commits

Aider (v0.85.4) is a powerful open-source AI pair programming tool that runs entirely in your terminal. It excels at making real-world changes to codebases, automatically creating git commits with descriptive messages. Aider works with all major AI models including GPT-5, Claude 4 Opus, Claude 4 Sonnet, Claude 3.7 Sonnet, DeepSeek R1, GPT-4o, and local models, making it budget-friendly and flexible. The framework works best with models like Claude 3.7 Sonnet, DeepSeek R1, and GPT-4o. Perfect for developers who prefer terminal-based workflows, Aider can edit multiple files simultaneously and understands your entire project structure.

Claude Code

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Official CLI from Anthropic for terminal-based AI coding with Claude Opus 4.5

Claude Code is Anthropic's official command-line interface that brings Claude's powerful AI capabilities directly to your terminal. Integrated into Anthropic's Pro, Max, and Team subscription plans, it utilizes both Sonnet 4.5 and Opus 4.5 models. Key workflow features include providing project-specific context via a CLAUDE.md file and triggering extended thinking mode for complex problem-solving. Claude Code excels at understanding entire codebases, performing complex multi-file refactoring, and executing tasks autonomously with human oversight. The Opus 4.5 model delivers 65% fewer tokens for long-horizon tasks and 30-minute autonomous coding sessions.

GitHub Copilot

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Industry-leading AI code completion with 100M+ accepted suggestions daily

GitHub Copilot is the industry's most widely adopted AI coding assistant, developed by GitHub and Microsoft. With over 100 million suggestions accepted daily, Copilot provides intelligent code completion, chat-based assistance, and multi-model support including GPT-4.1, Claude 3.5 Sonnet, and Gemini 2.5 Pro. It integrates seamlessly with VS Code, Visual Studio, JetBrains IDEs, and Neovim, offering developers context-aware suggestions that learn from billions of lines of code. Copilot now offers a generous free tier with 2,000 completions per month, making it accessible to all developers.