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Raven Reader vs Alligator: catalog facts
Raven Reader	Alligator
Free The open-source application is available without a license fee.	Free Free and open source under the GPL-2.0-or-later.
Windows, macOS, Linux	Linux
No account and no data collection; subscriptions stay local Runs on Windows, macOS and Linux from one codebase	Adaptive layout for desktop and phone screens Supports standard RSS and Atom feeds
Electron application with a large footprint No synchronisation between machines	Fewer features than KDE's larger Akregator reader Linux only
Downloadable app	Downloadable app
Open source	Open source
License not stated	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.