Best free GitHub Copilot alternatives (open source, 2026)
Updated · 20 repos compared · data refreshed nightly from GitHub
The best free GitHub Copilot alternative for most people is cline (71k GitHub stars, Apache-2.0 license). copilot.lua describes itself as a GitHub Copilot alternative. All 20 options below are open source and run on your own computer or server, so there's no subscription.
GitHub Copilot (AI code completion) is a paid, closed-source product. The open-source projects below do the same job and run on your own computer or server. Stars and activity come straight from GitHub.
Top picks
Autonomous coding agent as an SDK, IDE extension, or CLI assistant.
- Needs:
- works on Mac (per README)
- Trade-off
- Better than GitHub Copilot: a permissive Apache-2.0 license, very active development. Worse: you install and run it yourself instead of GitHub Copilot's hosted app.
Fully featured & enhanced replacement for copilot.vim complete with API for interacting with Github Copilot
- Needs:
- works on Mac (per README)
- Trade-off
- Better than GitHub Copilot: a permissive MIT license, very active development. Worse: you install and run it yourself instead of GitHub Copilot's hosted app.
open-source coding agent
- Needs:
- Hardware not stated in its README
- Trade-off
- Better than GitHub Copilot: a permissive Apache-2.0 license, very active development. Worse: you install and run it yourself instead of GitHub Copilot's hosted app.
- Editor's pick
Self-hosted AI coding assistant
- Needs:
- Hardware not stated in its README
- Trade-off
- Better than GitHub Copilot: free and private, with no usage limits. Worse: license not detected by GitHub; check it before commercial use.
Comparison
✓ yes · ✗ no · – not stated in the README. Hardware details are read from each README and may be incomplete.
GitHub Copilot vs open source: what you give up
- Setup. GitHub Copilot is ready as soon as you sign up. These projects need installing, usually with Python, Node or Docker.
- Hardware. Most READMEs don't state hardware needs; heavier models run much faster with a GPU. 3 mention Mac support.
- Polish and support. Paid products usually have a smoother interface, managed updates and customer support. Open source gives you privacy, no usage limits and no monthly bill.
- Maintenance. 18 of 20 were updated in the last 30 days.
- License. 17 of 20 use a standard open-source license (MIT, Apache, GPL and similar). Check the license before commercial use.
How we picked
Projects that describe themselves as a GitHub Copilot alternative come first, then projects that do the same job, ranked by how well they match and by GitHub stars. Projects that need a paid API key, and projects from GitHub Copilot's own company, are left out. Stars and activity are verified with the GitHub API every night; hardware details come from each README. Full method.
FAQ
Is there a free alternative to GitHub Copilot?
Yes. We list 20 free, open-source GitHub projects that do the same job as GitHub Copilot. The most popular are cc-switch, graphify and claude-mem.
What is the best open-source GitHub Copilot alternative?
It depends on your setup. Best overall: cline. Closest GitHub Copilot replacement: copilot.lua. Also excellent: continue. Compare GitHub stars, license and hardware needs in the table on this page.
Can I run a GitHub Copilot alternative on a Mac?
Yes. According to their READMEs, cline, copilot.lua and codebase-memory-mcp run on macOS.
Do I need a GPU to replace GitHub Copilot?
Most READMEs don't state hardware needs. Expect heavier models to run much faster with a GPU.
Are these GitHub Copilot alternatives really free?
Yes. All 20 are open source on GitHub, and projects that need a paid API key are left out. 17 use a standard open-source license such as MIT, Apache or GPL; check the license before commercial use.