Otter Wiki vs ZenTao

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureOtter WikiZenTao
CategoryWikis & DocumentationGroupware
LicenseMITAGPL-3.0
LanguagePythonPHP
Setup difficultyEasyMedium
Min. RAM128 MB1,024 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal
GitHub stars★ 1,494★ 1,665
First released20212009
ReplacesConfluence, NotionJira, Confluence

Why pick each one

Choose Otter Wiki if…

  • Easy to host and back up
  • Clean, simple UI
Otter Wiki details

Choose ZenTao if…

  • Comprehensive feature set
  • Active development
ZenTao details

Frequently asked questions

Is Otter Wiki or ZenTao better?

Neither is universally better. ZenTao has the larger community, while Otter Wiki is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Otter Wiki and ZenTao free and open-source?

Yes. Otter Wiki is licensed under MIT and ZenTao under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Otter Wiki and ZenTao with Docker?

Otter Wiki: yes. ZenTao: yes.

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