TiddlyWiki vs Zim
A side-by-side comparison of two self-hosted wikis & documentation options — licensing, setup difficulty, resource needs, and what each one replaces.
TiddlyWiki
A non-linear personal web notebook in a single file
VS
Zim
A desktop wiki and personal knowledge base
| Feature | TiddlyWiki | Zim |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 92 · Excellent | 83 · Excellent |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | BSD-3-Clause | GPL-2.0 |
| Language | JavaScript | Python |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 128 MB |
| Deployment | binary, bare-metal, source | binary, source |
| GitHub stars | ★ 8,662 | ★ 2,202 |
| First released | 2004 | 2008 |
| Replaces | Notion, OneNote | OneNote, Notion |
What are TiddlyWiki and Zim?
TiddlyWiki
TiddlyWiki is a unique open-source wiki that can run as a single self-contained HTML file. It is a non-linear notebook for capturing and organizing information, also runnable as a Node.js server.
- Runs as a single HTML file
- Non-linear note structure
- Highly customizable
- Optional Node.js server mode
Zim
Zim is an open-source desktop application that works as a graphical text editor for maintaining a collection of wiki pages. Each page is a plain text file, making it a portable personal knowledge base.
- Desktop wiki application
- Plain text page files
- Plugin system
- Works fully offline
TiddlyWiki vs Zim: key differences
TiddlyWiki is written in JavaScript, while Zim is built with Python. Licensing differs — BSD-3-Clause for TiddlyWiki versus GPL-2.0 for Zim. TiddlyWiki is the lighter option, starting around 64 MB of RAM against 128 MB for Zim. TiddlyWiki is the more established project (first released 2004), while Zim arrived in 2008. TiddlyWiki has the considerably larger community, at 8,662 GitHub stars versus 2,202.
Why pick each one
Choose TiddlyWiki if…
- Extremely portable
- Works fully offline
Watch out for
- Idiosyncratic concepts
- Multi-user needs the server mode
Choose Zim if…
- Truly portable notes
- No server needed
Watch out for
- Desktop only
- No built-in multi-user mode
Frequently asked questions
Is TiddlyWiki or Zim better?
Neither is universally better. TiddlyWiki has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are TiddlyWiki and Zim free and open-source?
Yes. TiddlyWiki is licensed under BSD-3-Clause and Zim under GPL-2.0. Both can be self-hosted at no software cost.
Can I run TiddlyWiki and Zim with Docker?
TiddlyWiki: check the project docs for container support. Zim: check the project docs for container support.
Which is lighter on resources, TiddlyWiki or Zim?
TiddlyWiki has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Zim. Real-world usage depends on library size, user count, and enabled features.