Open source alternatives to Windsurf

Open source alternatives to Windsurf, ranked by GitHub stars and freshness.

4 open-source alternatives in the index, ranked by GitHub stars and freshness.

Anthropic

Anthropic's terminal-native coding agent. Reads your repo, edits files, runs tests, ships PRs.

Best for: Senior engineers who want a real terminal agent, not just autocomplete

Anysphere

The AI-first code editor. Tab to autocomplete, Composer to multi-file refactor, Agents for the long-running stuff.

Best for: Teams who want IDE polish and agent power in one tool

GitHub / Microsoft

The original AI pair programmer, now with Agent Mode, Workspaces, and multi-model selection.

Best for: Large orgs already on GitHub Enterprise

OpenAI

OpenAI's coding agent surface: terminal CLI for local work, cloud agent for parallel autonomous tasks.

Best for: Teams on the OpenAI Enterprise side of the fence