OutWiker 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?
OutWiker
Tree-structured notes and wiki desktop application
VS
Zim
A desktop wiki and personal knowledge base
| Feature | OutWiker | Zim |
|---|---|---|
| Category | Wikis & Documentation | Wikis & Documentation |
| License | GPL-3.0 | GPL-2.0 |
| Language | Python | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 128 MB |
| Deployment | binary, source | binary, source |
| GitHub stars | ★ 330 | ★ 2,194 |
| First released | 2010 | 2008 |
| Replaces | Notion, OneNote | OneNote, Notion |
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
Frequently asked questions
Is OutWiker 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 OutWiker and Zim free and open-source?
Yes. OutWiker is licensed under GPL-3.0 and Zim under GPL-2.0. Both can be self-hosted at no software cost.
Can I run OutWiker and Zim with Docker?
OutWiker: check the project docs for container support. Zim: check the project docs for container support.