Open source alternatives to Cline

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

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

Free AI autocomplete and chat across 40+ IDEs. The volume player in AI coding assistants, now sibling to Windsurf.

Alternative to Windsurf, Github Copilot, Cursor +2 more

Best for: Individual devs who want free autocomplete, and enterprises needing self-hosted

Anysphere

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

Alternative to Github Copilot, Cline, Continue +2 more

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

OpenAI

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

Alternative to Claude Code, Cursor, Github Copilot +3 more

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

Codeium

Codeium's IDE-with-an-agent. Cascade flow combines deep context with autonomous multi-file work.

Alternative to Cursor, Github Copilot, Claude Code +2 more

Best for: Engineers who want continuous agent context, not chat-and-snippet