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An Otter Wiki vs Gitit: catalog facts
An Otter Wiki	Gitit
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-2.0 licence.
Self-hosted	Self-hosted
Git backend with full page history Extended Markdown with tables, formulas and diagrams	Pages stored in Git, editable outside the wiki Pandoc rendering with support for several markup formats
Mermaid diagrams and Git server are experimental Deliberately minimal feature set	Building from source needs the Haskell toolchain No published GitHub releases
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: GPL-2.0
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.