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mdBook vs Pressbooks: catalog facts
mdBook	Pressbooks
Free Free and open source.	Paid Prices are not listed on the homepage; enterprise plans start with a demo request.
Windows, macOS, Linux, Command line	Web
Builds a complete static site from plain Markdown Maintained by the Rust project with an active history	Exports books in several formats from one source Supports interactive content such as H5P quizzes and annotations
Command line only Aimed at web output rather than EPUB or print	Pricing is not published on the homepage Enterprise plans are aimed at institutions and sold through demos
Downloadable app	Web application, Hosted service
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Account needed
Works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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