Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source. Feature highlights:

• Full standalone feed reader (RSS, Atom, RDF) as a Chrome and Firefox extension - no online services needed
• Extremely fast!
• Multiple viewing modes: full article view, headlines view, headlines + one article (Opera RSS reader style), newspaper view, magazine view
• Can convert partial feeds to feeds with full articles with a built-in Readability style conversion engine!
• Built-in Rule Engine lets you define rules for filtering, border highlighting, auto-bookmarking, tagging, hiding and regexp highlighting articles. Rules also support Chrome popup notifications and sound effects.
• Article tagging and searching by a tag
• IFTTT support!
• Favicon support
• Finds feeds from web pages and makes it very easy to subscribe to new feeds
• Organizes feeds into folders (+ read all items in folder at once)
• Drag & drop support for organizing feeds and folders in the tree navigator
• Flexible "mark as read" options (when article title is shown, when article bottom is shown, manually)
• 'Show only unread items' option helps you to read only what is new
• Read any feeds that your computer can access (also in your company intranet, not only public Internet)
• User interface themes: Light, Dark, Aqua
• Article filtering based on article age
• Custom feed specific scan interval
• Custom feed specific number of items to store
• Keyboard shortcuts (similar to Google Reader)
• Works well with high frequency update feeds
• Can import feed subscriptions from an OPML file
• Can export feed subscriptions to an OPML file
• Easy to drop inactive or broken feeds
• Article headline view for quick skimming
• Basic authentication support to read password protected feeds
• Article sharing to various social media sites like Facebook, Google+, Twitter, Reddit etc and via Gmail/Email client
• Buffer and Hootsuite support for scheduled social media sharing
• Supports offline reading