Compare software

qpdfview vs DjVuLibre: catalog facts
qpdfview	DjVuLibre
Free Free and open source under the GPL 2.0.	Free Free and open source under the GPL.
Linux	Linux, Command line
Tabs for keeping several documents open SyncTeX support for LaTeX workflows	Command-line encoders, decoders and utilities for DjVu files Standalone viewer included
Annotation and form support are rudimentary Slow release cadence	Targets Unix with X11; no native Windows or macOS builds from the project Modern viewer DjView4 is a separate package
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL
No account needed	No account needed
Works offline	Works offline
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.