Alternatives to GitHub Copilot

Code Completion tools positioned as replacements for GitHub Copilot. Open a matrix to compare side by side.

Cline

Open-source autonomous coding agent (formerly Claude Dev) shipped as a VS Code extension, CLI, and SDK; BYOK for any LLM, with file editing, command execution, error fixing, and MCP support.

open sourcevs-codecoding agent

Compare with GitHub Copilot

Windsurf

Agentic Coding

AI-native code editor from the former Codeium team, built around the agentic 'Cascade' that understands whole-project context, edits across files, and runs terminal commands.

ai-ideagentic-codingcascade

Compare with GitHub Copilot