head to head · open source
OpenProject vs Leantime
OpenProject has 16,933 GitHub stars, 3,676 forks, 224 open issues and last shipped yesterday. Leantime has 11,955 stars, 1,167 forks, 328 open issues and last shipped 2 days ago. OpenProject leads on adoption by 42% (16,933 vs 11,955 stars). OpenProject is written in Ruby under GPL-3.0; Leantime is written in PHP under AGPL-3.0. OpenProject has attracted 22% as many forks as stars, Leantime 10%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (gantt, 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.
← all 20902 open source comparisons
Side by side
| OpenProject | Leantime | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 12K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Ruby | PHP |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 3.7K | ⑂ 1.2K |
| 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 Leantime if
- You want the Leantime feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Leantime 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 Leantime
Leantime® ⭐ If you find Leantime useful, please star us on GitHub! ⭐ Leantime is an open source project management system for non project managers. We combine strategy, planning and execution while making it easy for everyone on the team to use. Built with ADHD, dyslexia and autism in mind. 🧠 💪 As simple as Trello but as feature rich as Jira 🔄 A perfect alternative to ClickUp, Monday, or Asana 🌐 🚀 Features yes, all of these features are included in the OSS version 📸 Screenshots ❗System Requirements PHP 8.2+ MySQL 8.0+ or MariaDB 10.6+ Apache or Nginx (IIS works with some modifications) PHP Extensions…
read the full Leantime overview →
More in Business Software
Related comparisons
More Project & Work Management projects
Compare either of these against the rest of the Project & Work Management field.
Frequently asked questions
Is OpenProject or Leantime more popular?
OpenProject has 16,933 GitHub stars and Leantime has 11,955. OpenProject has the larger community by that measure.
Are OpenProject and Leantime free?
Both are open source. OpenProject is licensed under GPL-3.0 and Leantime under AGPL-3.0. Neither carries a licence fee.
What is the difference between OpenProject and Leantime?
OpenProject is written in Ruby and Leantime in PHP. 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 Leantime?
Choose OpenProject if you want the larger community (16,933 stars) or its GPL-3.0 licence terms. Choose Leantime if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.