head to head · open source
OpenProject vs Leantime
OpenProject has 16,132 GitHub stars, 3,486 forks, 224 open issues and last shipped yesterday. Leantime has 11,597 stars, 1,128 forks, 328 open issues and last shipped 11 days ago. OpenProject leads on adoption by 39% (16,132 vs 11,597 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.
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Side by side
| OpenProject | Leantime | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 12K |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Ruby | PHP |
| Last push | 2026-09-17 | 2026-09-07 |
| Forks | ⑂ 3.5K | ⑂ 1.1K |
| 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 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 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 Leantime
Leantime is an open source project management system in the Business Software / Project & Work Management category, written in PHP and licensed under AGPL 3.0. It is aimed at non project managers and combines strategy, planning, and execution in one place. The project describes itself as built with ADHD, autism, and dyslexia in mind.
read the full Leantime overview →
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Frequently asked questions
Is OpenProject or Leantime more popular?
OpenProject has 16,132 GitHub stars and Leantime has 11,597. 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 (16,132 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.