An open source AI code editor by Microsoft that serves as a home for multi-agent development, supporting local and cloud AI agents, GitHub Copilot, and a rich extension ecosystem.

Cursor is an AI-powered coding agent and editor that helps developers plan, build, debug, and review software using frontier language models.

A lightweight, open-source coding agent from OpenAI that runs locally in your terminal, enabling AI-powered software engineering tasks from the command line.

Claude Code is an agentic coding tool by Anthropic that works in your terminal, understands your codebase, and helps you write, edit, debug, and ship code faster.