The DRSS News Reader
DRSS is a simple news reader. News readers are also called aggregators. DRSS lets you organize your RSS news sources in folders by whatever categories you want. It takes a reasonable guess at which sources have changed and highlights those. It won't store all the articles that you have read, nor does it keep any statistics on your behaviour. The feed summary subwindow supports reasonable html encoded texts and reasonable web page content.
It looks like this:
You can get the source code for drss, as well as a Windows installer on this site and you can look at the manual.
The future of DRSS has arrived, in the form of the Carpo project.