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qpdfview vs MuPDF: catalog facts
qpdfview	MuPDF
Free Free and open source under the GPL 2.0.	Free Free and open source under the AGPL. Commercial licensing is sold separately.
Linux	Windows, macOS, Linux, Android, iOS, Command line
Tabs for keeping several documents open SyncTeX support for LaTeX workflows	Extremely fast and small, with accurate rendering The bundled mutool covers most scripted PDF manipulation
Annotation and form support are rudimentary Slow release cadence	The viewer interface is deliberately minimal and keyboard-driven Commercial use of the library needs a paid licence from Artifex
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: AGPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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