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Liferea vs NewsFlash: catalog facts
Liferea	NewsFlash
Free Free and open source under the GPL.	Free Free and open source under the GPL.
Linux	Linux
Offline reading with locally cached articles Syncs with several self-hosted and hosted reader accounts	Syncs with most self-hosted and hosted reader back ends Scrapes full article text when a feed only publishes excerpts
Linux only Interface follows an older three-pane convention	Linux only, and built for GNOME conventions Some back ends support fewer features than others
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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