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MrRSS vs Raven Reader: catalog facts
MrRSS	Raven Reader
Free Free and open source under the GPL-3.0.	Free The open-source application is available without a license fee.
Windows, macOS, Linux	Windows, macOS, Linux
Free and open source Cross-platform desktop app	No account and no data collection; subscriptions stay local Runs on Windows, macOS and Linux from one codebase
Younger project than established feed readers Some documentation is primarily in Chinese	Electron application with a large footprint No synchronisation between machines
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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