Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
Linux Feed Reader, aka "Liferea," is part of a highly specialized category of apps. It is an aggregator for online news feeds, weblogs and podcasts. As such, it provides a tool for pulling into one spot an eclectic collection of your newsfeed content so you do not have to go to each separate source.
The Liferea project puts its focus on simple installation and simple usage. This app achieves these two goals handily. If you do not have specialized needs that go beyond merely reading a list of aggregated news items, then Liferea's simplicity will suit your purposes handily.