head to head · open source
OpenProject vs nextcloud-deck
OpenProject has 16,136 GitHub stars, 3,487 forks, 224 open issues and last shipped today. nextcloud-deck has 567 stars, 62 forks, 115 open issues and last shipped 4 days ago. OpenProject leads on adoption by 2,746% (16,136 vs 567 stars). OpenProject is written in Ruby under GPL-3.0; nextcloud-deck is written in Java under GPL-3.0. OpenProject has attracted 22% as many forks as stars, nextcloud-deck 11%. 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 | nextcloud-deck | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 567 |
| License | GPL-3.0 | GPL-3.0 |
| Written in | Ruby | Java |
| Last push | 2026-09-18 | 2026-09-14 |
| Forks | ⑂ 3.5K | ⑂ 62 |
| 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 nextcloud-deck if
- You want the nextcloud-deck feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Java
- You evaluated both and nextcloud-deck 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 nextcloud-deck
Nextcloud Deck for Android An Android client for Nextcloud Deck App. ▶️ Access 👀 Screenshots 🚀 Features Multiple accounts 👥 Works offline 🔌 Manage cards, lists and boards 📝 Manage tags 🏷 Supports attachments 📎, activities ⚡ & comments 💬 Dark mode 🌙 Translated in many languages 🌎 👪 Join the team Test the app with different devices Report issues in the issue tracker Pick a good first issue :notebook: Create a Pull Request Help increasing the test coverage by contributing unit tests Translate the app on Transifex Send me a bottle of your favorite beer :beers: :wink: 🔗 Requirements Nextcloud instance runn…
read the full nextcloud-deck overview →
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Frequently asked questions
Is OpenProject or nextcloud-deck more popular?
OpenProject has 16,136 GitHub stars and nextcloud-deck has 567. OpenProject has the larger community by that measure.
Are OpenProject and nextcloud-deck free?
Both are open source. OpenProject is licensed under GPL-3.0 and nextcloud-deck under GPL-3.0. Neither carries a licence fee.
What is the difference between OpenProject and nextcloud-deck?
OpenProject is written in Ruby and nextcloud-deck 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 nextcloud-deck?
Choose OpenProject if you want the larger community (16,136 stars) or its GPL-3.0 licence terms. Choose nextcloud-deck if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.