OutWiker 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 | OutWiker | XWiki |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 77 · Good | 84 · Excellent |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | GPL-3.0 | LGPL-2.1 |
| Language | Python | Java |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 2,048 MB |
| Deployment | binary, source | docker, bare-metal, source |
| GitHub stars | ★ 331 | ★ 1,313 |
| First released | 2010 | 2004 |
| Replaces | Notion, OneNote | Confluence, Notion |
What are OutWiker and XWiki?
OutWiker
OutWiker is a cross-platform desktop application for storing notes and knowledge in a tree structure, functioning as a personal wiki. Each page can use wiki markup, HTML, or Markdown, and plugins extend its capabilities.
- Tree-structured pages
- Multiple markup modes
- Plugin support
- Cross-platform desktop app
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
OutWiker vs XWiki: key differences
OutWiker is written in Python, while XWiki is built with Java. Licensing differs — GPL-3.0 for OutWiker versus LGPL-2.1 for XWiki. OutWiker is the lighter option, starting around 256 MB of RAM against 2,048 MB for XWiki. XWiki is the more established project (first released 2004), while OutWiker arrived in 2010. XWiki has the considerably larger community, at 1,313 GitHub stars versus 331. XWiki lists first-class Docker deployment; OutWiker does not.
Why pick each one
Choose OutWiker if…
- Released under the GPL-3.0 license
- Easy to set up — beginner-friendly
- Written in Python
- Tiny footprint — runs in 256 MB RAM
Watch out for
- Desktop only
- No built-in collaboration
Choose XWiki if…
- Powerful structured content
- Strong enterprise features
Watch out for
- High memory requirements
- Complex to administer
Frequently asked questions
Is OutWiker or XWiki better?
Neither is universally better. XWiki has the larger community, while OutWiker is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are OutWiker and XWiki free and open-source?
Yes. OutWiker is licensed under GPL-3.0 and XWiki under LGPL-2.1. Both can be self-hosted at no software cost.
Can I run OutWiker and XWiki with Docker?
OutWiker: check the project docs for container support. XWiki: yes.
Which is lighter on resources, OutWiker or XWiki?
OutWiker has the smaller minimum footprint at 256 MB of RAM, compared to about 2,048 MB for XWiki. Real-world usage depends on library size, user count, and enabled features.