OutWiker vs TiddlyWiki
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
| Feature | OutWiker | TiddlyWiki |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 77 · Good | 92 · Excellent |
| Category | Wikis & Documentation | Wikis & Documentation |
| License | GPL-3.0 | BSD-3-Clause |
| Language | Python | JavaScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 256 MB | 64 MB |
| Deployment | binary, source | binary, bare-metal, source |
| GitHub stars | ★ 331 | ★ 8,662 |
| First released | 2010 | 2004 |
| Replaces | Notion, OneNote | Notion, OneNote |
What are OutWiker and TiddlyWiki?
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
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
OutWiker vs TiddlyWiki: key differences
OutWiker is written in Python, while TiddlyWiki is built with JavaScript. Licensing differs — GPL-3.0 for OutWiker versus BSD-3-Clause for TiddlyWiki. TiddlyWiki is the lighter option, starting around 64 MB of RAM against 256 MB for OutWiker. TiddlyWiki is the more established project (first released 2004), while OutWiker arrived in 2010. TiddlyWiki has the considerably larger community, at 8,662 GitHub stars versus 331.
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 TiddlyWiki if…
- Extremely portable
- Works fully offline
Watch out for
- Idiosyncratic concepts
- Multi-user needs the server mode
Frequently asked questions
Is OutWiker or TiddlyWiki 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 OutWiker and TiddlyWiki free and open-source?
Yes. OutWiker is licensed under GPL-3.0 and TiddlyWiki under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run OutWiker and TiddlyWiki with Docker?
OutWiker: check the project docs for container support. TiddlyWiki: check the project docs for container support.
Which is lighter on resources, OutWiker or TiddlyWiki?
TiddlyWiki has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for OutWiker. Real-world usage depends on library size, user count, and enabled features.