FriendFilter - Auto unfriend tool for Facebook
Dull - Always A Moment - The best of the internet in one app
Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
The Scoop - HackerNews, DesignerNews, & ProductHunt in One Place
Keep My Friends - A lightweight, personal CRM to improve your relationships
Ramme - The Unofficial Open Source Instagram Desktop App