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qpdfview vs apvlv: catalog facts
qpdfview	apvlv
Free Free and open source under the GPL 2.0.	Free Free and open source.
Linux	Windows, Linux
Tabs for keeping several documents open SyncTeX support for LaTeX workflows	Vim-style keyboard navigation Opens both PDF and EPUB
Annotation and form support are rudimentary Slow release cadence	Small user base Keyboard-centric interface takes learning
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	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 October 2, 2026

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