Open source alternatives to Github Copilot

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

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

Community

FauxPilot - an open-source alternative to GitHub Copilot server

Best for: Developers who need Copilot-like completion on private code or want to avoid cloud-based code submission

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

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

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

Continue.dev

Open-source AI code assistant for VS Code and JetBrains. Customisable, BYO model, built for enterprise.

Best for: Teams that need control over models, prompts, and data residency

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

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

Codeium

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

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