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Open source alternatives to Heroku

We track 3 open-source Heroku alternatives, of which 1 currently score 70 or above on Repoly's GitHub health scale and 3 ship a Docker image. Cosmos leads on health at 95/100 with 44 commits in the last 90 days; across all 3 projects you are choosing between Apache-2.0, Commons-Clause, ⊘ Proprietary.

3
Alternatives
6.2k
Combined stars
44
Commits / 90 days
3
With Docker
Licence family Licence

Showing 3 of 3 tools

All 3 Heroku alternatives, ranked by health

  • Top pick · highest health

    Cosmos

    95 GOOD

    Run server applications securely and with built-in privacy features. It acts as a secure gateway to your application, as well as a server manager.

    ★ 6.2k · ⟳ 9 days ago · v0.23.4 · Apache-2.0

    DockerGo
    Website ↗ Source ↗

  • Cloudron

    20 STALE

    Open-core software allowing you to effortlessly self-host web apps on your server.

    ⊘ Proprietary

    DockerNodejs
    Website ↗ Source ↗

Heroku alternatives: common questions

What is the most maintained open source alternative to Heroku?

Cosmos scores highest at 95/100, with 44 commits in the last 90 days, 6.2k GitHub stars and its latest release (v0.23.4) published 15 days ago. It is also the most active by raw commit count.

Which Heroku alternatives use a permissive licence?

None of the 3 tracked alternatives use a permissive licence; 0 are copyleft (GPL, AGPL or similar), which requires publishing changes to any modified version you distribute.

Which Heroku alternatives run in Docker?

3 of 3 publish a Docker image or Compose file: Cosmos, Easypanel, Cloudron. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.