Note: Nemo is no longer under development, and it is no longer available for sale.
Nemo is a Newsgroups/Usenet reader made for Mac OS X.
You can follow your favourite discussion with an elegant and powerfull user-interface that is designed to look and behave like an Apple application.
It also uses the most recent Mac OS X technologies like WebKit and Spotlight. Nemo is a native Cocoa Application available for both Intel and PPC platforms with lots of features. Check out the site!