RSS Guard is a customizable, skinnable feed reader with a tabbed interface. It can fetch the most known feed formats, including RSS/RDF and ATOM and store them in a nested list, keyboard shortcuts, notification settings, gesture support and more.
Only available for 64-bit. Cross-platform, supporting a wide array of operating systems (Linux, OS X, *BSD and more).
Application folder
All custom dependencies are packed in the archive. If user wants to use MySQL backend, then he/she has to have MySQL server running.
GNU GPLv3
Download the 7z package and extract (using a program like PeaExtractor) to a folder of your choice. Launch rssguard.exe.
Optionally, delete unnecessary translations.
QuiteRSS, GreatNews, FeedReader, NFReader
See:
https://github.com/martinrotter/rssguard/releases