Liferea is a feed reader/news aggregator that brings together
all of the content from your favorite subscriptions into a simple
interface that makes it easy to organize and browse feeds. Its GUI
is similar to a desktop mail/news client, with an embedded web
browser.

Distinguishing features:

• Read articles when offline
• Force fetch full article text using HTML5 extraction
• Subscribe to HTML5 websites that do not even have a feed!
• 
  Synchronizes with Google Reader API including TheOldReader,
  FreshRSS, FeedHQ, Miniflux etc.
  
• Synchronizes with Reedah
• Synchronizes with TinyTinyRSS
• Permanently save headlines in news bins
• Match items using search folders
• Play Podcasts