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