Pan Newsreader
Newsreader based on GTK3, which looks like Forte Agent
Pan is a Usenet newsreader that is good at both text and binaries. It supports offline reading, scoring and killfiles, yEnc, NZB, PGP handling, multiple servers, and secure connections.
It is also the only Unix newsreader to get a perfect score on the Good Net-Keeping Seal of Approval evaluations.
Pan is a newsreader, loosely based on Agent and Gravity, which attempts to be pleasant to use for new and advanced users alike. It has all the typical features found in newsreaders and also supports offline newsreading, sophisticated filtering, multiple connections, and a number of extra features for power users and alt.binaries fans.
How to install Pan Newsreader in Ubuntu
If you are on a supported distro, you can install the application through software center by clicking the below link.
If the above link not working, run the below command in terminal to install pan in Ubuntu
sudo apt install pan