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jumpdf vs Sioyek: catalog facts
jumpdf	Sioyek
Free Free and open source under the MIT licence.	Free Free and open source under the GPL. The developer accepts optional donations.
Linux	Windows, macOS, Linux
Keyboard-driven navigation Built for jumping between sections of a document	Opens a referenced figure, table or citation in an overlay without losing your place Searchable highlights, bookmarks and marks across your whole library
Viewer only, no editing Small project with few users	The last tagged release is from December 2022 macOS shows a quarantine warning that needs working around on first launch
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 21, 2026

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