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Papers vs qpdfview: catalog facts
Papers	qpdfview
Free Free GNOME app, supported by donations to the GNOME Foundation.	Free Free and open source under the GPL 2.0.
Linux	Linux
Annotation and highlighting of PDFs Opens DjVu, TIFF and comic book archives	Tabs for keeping several documents open SyncTeX support for LaTeX workflows
Linux only No full PDF text editing	Annotation and form support are rudimentary Slow release cadence
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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