Source Lifrea Homepage.
It can display news from an entire category or from a single feed entry. Feeds can be organized in categories or single entries. When viewing an entry, the entire article is displayed by default, including the header image. You can search the entire news database for a specific keyword, change various aspects of a category or entry, modify the source type, change cache settings, or use a proxy. Pop-up notifications and system tray support are also implemented.
The latest version is 1.11.17
To install Lifrea just run the following commands via your systems Terminal.
sudo add-apt-repository ppa:klaus-vormweg/ppa
sudo apt-get update
sudo apt-get install liferea
That's all enjoy!