Compare software

OutWiker vs TiddlyWiki: catalog facts
OutWiker	TiddlyWiki
Free Free and open source under the GPL-3.0 license.	Free Free and open source.
Windows, Linux	Web
Stores the note tree as regular directories Supports attachments, tags, and page links	Whole notebook is one portable HTML file Non-linear notes that can be tagged and linked
Officially listed for Windows and Linux	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: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

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