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MuPDF vs zathura: catalog facts
MuPDF	zathura
Free Free and open source under the AGPL. Commercial licensing is sold separately.	Free Free and open source.
Windows, macOS, Linux, Android, iOS, Command line	Linux
Extremely fast and small, with accurate rendering The bundled mutool covers most scripted PDF manipulation	Fully usable without a mouse, with vim-like keys Plugin system covers PDF, PostScript and DjVu
The viewer interface is deliberately minimal and keyboard-driven Commercial use of the library needs a paid licence from Artifex	No editing or form filling Keyboard-centric design takes some learning
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: Zlib
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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