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BookStack vs Confluence: catalog facts
BookStack	Confluence
Free The open-source software is available without a license fee. Hosting, hardware and…	Freemium Hosted plans from Atlassian, with paid tiers for larger teams and more features.
Web, Self-hosted	Web
Fixed hierarchy makes large documentation sets easy to navigate Granular permissions plus LDAP, SAML and OIDC sign-in	Central wiki for team documentation and knowledge AI drafting, summaries and answers from existing pages
PHP, MySQL and a web server are required; there is no single-binary option The rigid structure gets in the way if you want a free-form wiki	Hosted service; your content lives on Atlassian's servers Built for teams rather than personal notes
Self-hosted, Web application	Hosted service
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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