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TiddlyWiki vs Zim: catalog facts
TiddlyWiki	Zim
Free Free and open source.	Free Free and open source.
Web	Windows, Linux
Whole notebook is one portable HTML file Non-linear notes that can be tagged and linked	Notes stored as plain text files you can edit elsewhere Pages created simply by linking to them
Saving a single-file wiki from a browser can need extra setup The tiddler model takes time to learn	Uses its own wiki markup rather than Markdown Desktop only, with no built-in sync or mobile app
Downloadable app, Web application	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.