Winds - Open source & beautiful RSS reader
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
Free Twitter RSS Feed Generator - Convert Twitter lists, hashtags & searches into RSS feeds
ShlinkedIn - A satirical social network where everyone's a thought leader