compare
OpenProject vs ZenTao
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | OpenProject | ZenTao |
|---|---|---|
| Language | Ruby | PHP |
| Licence | GPL-3.0 | Other |
| Stars | 16k | 1.7k |
| Latest | v17.9.1 | zentaopms_21.7.1_20250529 |
| Last push | 2026-10-06 | 2026-09-17 |
| Release cadence | about 10 days between releases | about 39 days between releases |
| Active contributors | 25+ commit authors on the default branch in the last 90 days | 20+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Jira. Alternatives to Jira →
Full replacementOpenProjectWork packages, agile boards, Gantt charts and time tracking.
Full replacementZenTaoProducts, sprints, bugs, test cases and releases in one scrum tool.
OpenProject
ZenTao
- zentaopms_21.7.1_202505292025-05-29release 21.7.1
- zentaopms_21.5_202503072025-03-12
- zentaopms_21.4_202501152025-01-17
- zentaopms_21.3_202412272024-12-29
- zentaopms_21.2_202412052024-12-06
OpenProject
✓ signed The latest release, v17.9.1, carries a signature GitHub verified.
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ZenTao
unsigned The latest release, zentaopms_21.7.1_20250529, carries no signature GitHub could verify.
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