Open Source Alternatives

Alternatives to GitHub Copilot

AI-powered code completion and suggestion tool.

1 drop-in replacement3 building blocks
github.com/features/copilot ↗

GitHub Copilot is a trademark of its respective owner.

Updated Apr 2026

Drop-in Replacements

Ranked by Discovery Score

1

cline

1165% coverage

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

Cline is an AI coding agent that lives inside VS Code and actually does things. Not autocomplete.

59.9k ★TypeScriptApache-2.0

Building Blocks

GitHub Copilot is a platform — it bundles multiple capabilities into one subscription. These tools each cover one piece. Teams often assemble 2–3 of them instead of paying for the full suite.

goose

20covers: terminal AI coding35%

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

claurst

15covers: terminal agent30%

Your favorite Terminal Coding Agent, now in Rust & a Breakdown of the Claude Code leak & discoveries

aider

12covers: terminal AI coding45%

aider is AI pair programming in your terminal

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Including when one of these alternatives ships a major update. Free.