Open-source alternatives to Claude code
One open-source project is offered as a replacement for Claude code: Code. Running one yourself trades the subscription for your own hosting and upkeep, so the table below leads with what decides that trade: whether the project is alive, what its licence lets a business do, and whether there is a container command to start from.
Side by side
Each one, briefly
Code4,038 stars · permissive · activeEvery Code - push frontier AI to it limits. A fork of the Codex CLI with validation, automation, browser integration, multi-agents, theming, and much more. Orchestrate agents from OpenAI, Claude, Gemini or any provider.
Where this comes from
Which projects are offered against Claude code comes from opensourcealternative.to, re-read weekly. Every figure in the table is read from the project’s own repository. We have not run these projects, and we hold no price for Claude code. Browse every open-source alternative.