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

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