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An Otter Wiki vs LeafWiki: catalog facts
An Otter Wiki	LeafWiki
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Self-hosted	Windows, macOS, Linux, Self-hosted
Git backend with full page history Extended Markdown with tables, formulas and diagrams	Single binary with no external database or runtime Markdown files on disk make backup and external editing simple
Mermaid diagrams and Git server are experimental Deliberately minimal feature set	API key access is still in development Narrower feature set than Wiki.js or Outline
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: MIT	License: MIT
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.