Otter Wiki vs Zim
A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Otter Wiki
Lightweight Git-backed documentation wiki
VS
Zim
A desktop wiki and personal knowledge base
| Feature | Otter Wiki | Zim |
|---|---|---|
| Category | Wikis & Documentation | Wikis & Documentation |
| License | MIT | GPL-2.0 |
| Language | Python | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 128 MB | 128 MB |
| Deployment | docker, bare-metal, source | binary, source |
| GitHub stars | ★ 1,494 | ★ 2,194 |
| First released | 2021 | 2008 |
| Replaces | Confluence, Notion | OneNote, Notion |
Why pick each one
Frequently asked questions
Is Otter Wiki or Zim better?
Neither is universally better. Zim has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Otter Wiki and Zim free and open-source?
Yes. Otter Wiki is licensed under MIT and Zim under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Otter Wiki and Zim with Docker?
Otter Wiki: yes. Zim: check the project docs for container support.