Winds - Open source & beautiful RSS reader
Unvisited - Custom news feed with content from your favourite sites
Elytra - Simple RSS Reader for iOS
Notion Feeder - Get rid of all the Feedreader apps and use Notion as a Feed Reader.
Cappuccino - Cappuccino is a framework which makes it easy to create advanced web apps.
Huddle - Huddle | The Enterprise Content Collaboration Platform