RSSPBRRY is described as 'free and open source RSS feed reader distributed under the AGPL v3 license. It's a software fork of Miniflux by super-coder Frédéric Guillot' and is a RSS Reader in the News & Books category. There are more than 10 alternatives to RSSPBRRY for a variety of platforms, including Self-Hosted solutions, Online / Web-based, Linux, Mac and Android. The best alternative is Tiny Tiny RSS, which is both free and Open Source. Other great apps like RSSPBRRY are Netvibes (Free Personal), Feedbin (Paid, Open Source), CommaFeed (Free, Open Source) and Miniflux (Free, Open Source).
This reader can be installed on your own server and works with a system of cron tasks to process information in a transparent manner and display the updates as quick as possible when you connect to it.