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Akregator vs Alligator: catalog facts
Akregator	Alligator
Free Free and open source under the GPL.	Free Free and open source under the GPL-2.0-or-later.
Windows, Linux	Linux
Internal tabbed browser keeps reading inside one window Integrates with the rest of the Kontact personal information suite	Adaptive layout for desktop and phone screens Supports standard RSS and Atom feeds
Pulls in KDE libraries on other desktops No synchronisation with hosted reader services	Fewer features than KDE's larger Akregator reader Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0-or-later
Not stated if an account is needed	No account 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 October 1, 2026

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