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An Otter Wiki vs MediaWiki: catalog facts
An Otter Wiki	MediaWiki
Free Free and open source under the MIT licence.	Free Free and open software with no charge.
Self-hosted	Web, Self-hosted
Git backend with full page history Extended Markdown with tables, formulas and diagrams	Proven at very large scale by Wikipedia Large library of extensions
Mermaid diagrams and Git server are experimental Deliberately minimal feature set	Needs a server and some administration to install and maintain Wiki markup and setup take time to learn
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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