The user-friendly, lightweight, and fast email client Latest Release: 3.11.1 (News), on 27 October 2014

The RSSyl plugin

The RSSyl plugin is an RSS feed aggregator for Claws Mail. It has the following features: Navigating in your feeds and posts is done in the same way as you would for emails, which makes feed-reading really fast and enjoyable if Claws Mail's shortcuts are hardwired into your fingers.
Also, the RSSyl plugin unleashes its full potential when used with an HTML viewer plugin like Dillo or Gtkhtml2Viewer, as this allows fetching a post's images and font styles.

libcurl is required, http://curl.haxx.se/libcurl/
libxml2 is required, xmlsoft.org

Here are a few screenshots illustrating the features: