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Raven Reader vs MrRSS: catalog facts
Raven Reader	MrRSS
Free The open-source application is available without a license fee.	Free Free and open source under the GPL-3.0.
Windows, macOS, Linux	Windows, macOS, Linux
No account and no data collection; subscriptions stay local Runs on Windows, macOS and Linux from one codebase	Free and open source Cross-platform desktop app
Electron application with a large footprint No synchronisation between machines	Younger project than established feed readers Some documentation is primarily in Chinese
Downloadable app	Downloadable app
Open source	Open source
License not stated	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 October 2, 2026

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