head to head · open source
OpenProject vs onedev
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. onedev has 15,252 stars, 979 forks, 0 open issues and last shipped 3 days ago. OpenProject leads on adoption by 6% (16,132 vs 15,252 stars). OpenProject is written in Ruby under GPL-3.0; onedev is written in Java under MIT. OpenProject has attracted 22% as many forks as stars, onedev 6%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (kanban), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenProject | onedev | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 15K |
| License | GPL-3.0 | MIT |
| Written in | Ruby | Java |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 3.5K | ⑂ 979 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenProject if
- You weight community size — 16K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick onedev if
- You want the onedev feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and onedev fits your workflow better
About OpenProject
OpenProject is a web based open source project management software for teams and organizations that need transparency, flexibility, and data sovereignty. It lives in the open source project management ecosystem, with Ruby as the repository language and Angular as a listed topic. The project is positioned as an open alternative to Asana and Basecamp, and the README also compares it with Jira, MS Project, Monday, and YouTrack.
read the full OpenProject overview →
About onedev
OneDev is a self hosted, MIT licensed development platform written in Java that unifies Git hosting, code review, issue tracking, Kanban boards, service desk, time tracking, packages, and CI/CD in one system, aimed at teams that run the whole development lifecycle on their own infrastructure.
read the full onedev overview →
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Frequently asked questions
Is OpenProject or onedev more popular?
OpenProject has 16,132 GitHub stars and onedev has 15,252. OpenProject has the larger community by that measure.
Are OpenProject and onedev free?
Both are open source. OpenProject is licensed under GPL-3.0 and onedev under MIT. Neither carries a licence fee.
What is the difference between OpenProject and onedev?
OpenProject is written in Ruby and onedev in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenProject or onedev?
Choose OpenProject if you want the larger community (16,132 stars) or its GPL-3.0 licence terms. Choose onedev if its feature set, stack or MIT licence fits better. Both are self-hostable.