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QuiteRSS vs Vienna RSS: catalog facts
QuiteRSS	Vienna RSS
Free Free and open source under the GPL.	Free Free and open source under the Apache licence.
Windows, macOS, Linux	macOS
Embedded browser with ad blocking keeps reading in one window Portable builds require no installation	Smart folders assemble articles from any feed by criteria you define Native Mac application rather than a web wrapper
Development has stopped; only the existing releases are available Interface is dated	macOS only Sync support is limited compared with commercial readers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
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.