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Slab vs MediaWiki: catalog facts
Slab	MediaWiki
Freemium Free for up to 10 users, with paid plans for larger teams.	Free Free and open software with no charge.
macOS, Web	Web, Self-hosted
Free plan for small teams Self-serve sign-up	Proven at very large scale by Wikipedia Large library of extensions
Hosted only; documents live on Slab's servers Paid plan needed beyond 10 users	Needs a server and some administration to install and maintain Wiki markup and setup take time to learn
Downloadable app, Web application, Hosted service	Self-hosted
Closed source	Open source
License not stated	License not stated
Account 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.