head to head · open source
OpenProject vs Vikunja
OpenProject has 16,933 GitHub stars, 3,676 forks, 224 open issues and last shipped yesterday. Vikunja has 5,940 stars, 792 forks, 235 open issues and last shipped yesterday. OpenProject leads on adoption by 185% (16,933 vs 5,940 stars). OpenProject is written in Ruby under GPL-3.0; Vikunja is written in Go under AGPL-3.0. OpenProject has attracted 22% as many forks as stars, Vikunja 13%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Vikunja | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 5.9K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Ruby | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.7K | ⑂ 792 |
| 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 Vikunja if
- You want the Vikunja feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Vikunja 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 Vikunja
Vikunja The task manager you actually own. If Vikunja is useful to you, please consider supporting the project. You can buy a coffee, sponsor on GitHub or buy a sticker pack. We're also offering a hosted version of Vikunja if you want a hassle free solution for yourself or your team. If you or your company needs admin panel, audit logs or time tracking, check out Vikunja Pro. [!NOTE] For the development of Vikunja, we're using LLM Assisted coding tools in various parts of the codebase. Most contributions made @tink bot are built that way. Table of contents Security Reports Features Docs Roadmap Contributing…
read the full Vikunja overview →
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Frequently asked questions
Is OpenProject or Vikunja more popular?
OpenProject has 16,933 GitHub stars and Vikunja has 5,940. OpenProject has the larger community by that measure.
Are OpenProject and Vikunja free?
Both are open source. OpenProject is licensed under GPL-3.0 and Vikunja under AGPL-3.0. Neither carries a licence fee.
What is the difference between OpenProject and Vikunja?
OpenProject is written in Ruby and Vikunja in Go. 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 Vikunja?
Choose OpenProject if you want the larger community (16,933 stars) or its GPL-3.0 licence terms. Choose Vikunja if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.