Otter Wiki vs XWiki
A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.
XWiki
Advanced enterprise wiki and application platform
| Feature | Otter Wiki | XWiki |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 84 · Excellent | 84 · Excellent |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | MIT | LGPL-2.1 |
| Language | Python | Java |
| Setup difficulty | Easy | Medium |
| Min. RAM | 128 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 1,544 | ★ 1,313 |
| First released | 2021 | 2004 |
| Replaces | Confluence, Notion | Confluence, Notion |
What are Otter Wiki and XWiki?
Otter Wiki
Otter Wiki is a minimalistic open-source wiki that stores its pages as Markdown in a Git repository. It offers a simple web interface with editing, history, and search for small teams.
- Git-backed Markdown pages
- Built-in history and diffs
- Full-text search
- Minimalist interface
XWiki
XWiki is an open-source enterprise wiki and structured collaboration platform written in Java. It goes beyond simple wikis with scripting, custom applications, and structured data within pages.
- Structured data in pages
- App building within the wiki
- Extension marketplace
- LDAP and SSO support
Otter Wiki vs XWiki: key differences
Otter Wiki is written in Python, while XWiki is built with Java. Licensing differs — MIT for Otter Wiki versus LGPL-2.1 for XWiki. Otter Wiki is the lighter option, starting around 128 MB of RAM against 2,048 MB for XWiki. XWiki is the more established project (first released 2004), while Otter Wiki arrived in 2021.
Why pick each one
Choose Otter Wiki if…
- Easy to host and back up
- Clean, simple UI
Watch out for
- Basic feature set
- Smaller community
Choose XWiki if…
- Powerful structured content
- Strong enterprise features
Watch out for
- High memory requirements
- Complex to administer
Frequently asked questions
Is Otter Wiki or XWiki better?
Otter Wiki is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider XWiki if its specific feature set fits your needs better.
Are Otter Wiki and XWiki free and open-source?
Yes. Otter Wiki is licensed under MIT and XWiki under LGPL-2.1. Both can be self-hosted at no software cost.
Can I run Otter Wiki and XWiki with Docker?
Otter Wiki: yes. XWiki: yes.
Which is lighter on resources, Otter Wiki or XWiki?
Otter Wiki has the smaller minimum footprint at 128 MB of RAM, compared to about 2,048 MB for XWiki. Real-world usage depends on library size, user count, and enabled features.