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DevOps

Free and open-source GitHub Codespaces alternatives

GitHub Codespaces (Cloud development environments hosted by GitHub) is a commercial product. These 3 tools do the same job and are free to use or to self-host.
Short answer: the best free alternatives to GitHub Codespaces are Coder, code-server and Eclipse Che. Self-hosting is free; you pay only for the server (a small VPS is about $4–6/mo). Licenses and prices checked 2026-10-01.
  1. 1
    Coder

    Self-hosted cloud development environments

    Self-hosted cloud dev environments via Terraform; some features are premium.

    Open source (AGPL-3.0) ·★ 17k GitHub stars · last commit 2026-10-07 · details

  2. 2
    code-server

    Run VS Code in the browser on your own server

    VS Code in the browser on your own server.

    Open source (MIT) ·★ 80k GitHub stars · last commit 2026-10-07 · details

  3. 3
    Eclipse Che

    Kubernetes-native cloud IDE and developer workspaces

    Kubernetes-native cloud IDE and workspaces.

    Open source (EPL-2.0) ·★ 7.2k GitHub stars · last commit 2026-10-05 · details

Want paid options too? See all GitHub Codespaces alternatives or the full free alternatives list. Beyond developer tools, OSS Software lists more open-source GitHub Codespaces alternatives.

FAQ

Is there a free alternative to GitHub Codespaces?+

Yes. Coder, code-server and Eclipse Che do the same job for free; Coder, code-server and Eclipse Che are open source.

What is the best open-source alternative to GitHub Codespaces?+

code-server is the most starred on GitHub (80k stars). VS Code in the browser on your own server.

Open source: OSI-approved license. Free to self-host: the code is public and free to run yourself, with limits in the license.