head to head · open source
OpenProject vs onedev
OpenProject has 16,933 GitHub stars, 3,676 forks, 224 open issues and last shipped yesterday. onedev has 15,336 stars, 990 forks, 0 open issues and last shipped 3 days ago. OpenProject leads on adoption by 10% (16,933 vs 15,336 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 | ★ 17K | ★ 15K |
| License | GPL-3.0 | MIT |
| Written in | Ruby | Java |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 3.7K | ⑂ 990 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenProject if
- You weight community size — 17K 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 We empower teams to achieve great things together for the good of society. OpenProject is a web based open source project management software for teams and organizations that require transparency, flexibility, and data sovereignty. Manage projects, portfolios, products, tasks, bugs, agile workflows, roadmaps, and team collaboration in a single platform. OpenProject can be self hosted and is designed for organizations looking for an open source enterprise ready alternative to tools such as Jira, MS Project, Monday, Asana, YouTrack while maintaining full control over their data and infrastructure…
read the full OpenProject overview →
About onedev
NOTE: We develop OneDev at code.onedev.io for sake of dogfooding. Please submit issues and pull requests there The Unified and Autonomous Development Platform Get Started AI Teammates 🔎 Out of box code search and navigation Language aware symbol search and navigation in any commit. Click symbol to show occurrences in current file. Fast code search with regular expression. Try It 📦 Renovate integration to update project dependencies Integrate with Renovate to update project dependencies via pull requests. Merge pull requests automatically when approved by required reviewers, or pass required tests. Tutorial 🚦…
read the full onedev overview →
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Frequently asked questions
Is OpenProject or onedev more popular?
OpenProject has 16,933 GitHub stars and onedev has 15,336. 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 (16,933 stars) or its GPL-3.0 licence terms. Choose onedev if its feature set, stack or MIT licence fits better. Both are self-hostable.