GitHub Copilot

GitHub Copilot is an AI pair programmer that sits inside your code editor and suggests code as you type. Rather than searching Stack Overflow or documentation, Copilot learns from the context of your project—variable names, comments, function signatures—and predicts what you likely want to write next. It can explain unfamiliar code, help you refactor, and in agent mode, analyze a task description and implement changes across multiple files automatically. Copilot is available as an extension for VS Code, JetBrains IDEs, and directly in GitHub's web interface.

Highlights

• Suggests code in real-time as you type based on project context
• Explains unfamiliar code and documentation inline
• Agent mode analyzes tasks and implements multi-file changes automatically
• Supports VS Code, JetBrains IDEs (IntelliJ, PyCharm, etc.), and GitHub web editor
• Powers multiple frontier LLMs under the hood for different tasks

Copilot is aimed at professional developers and teams looking to code faster and reduce context-switching. While a free tier exists with limited suggestions, most developers use paid plans. It works best when your codebase is well-commented and uses clear naming conventions.