Awesome
spaRSS DecSync
<img src="https://f-droid.org/badge/get-it-on.png" alt="Get it on F-Droid" height="80">
spaRSS DecSync is a fork of spaRSS which adds synchronization using DecSync. To start synchronizing, all you have to do is synchronize your selected DecSync directory, using for example Syncthing. spaRSS DecSync supports Android 5.0 or higher.