Refined Twitter - A browser extension that improves the Twitter experience
Hvper - The Internet on one page. Successor of Popurls, the mother of news aggregators.
Nofanity - Nofanity removes swear words from YouTube videos
Notify by Facebook - Notifications that matter from sources you love
Detox for Facebook - Replace your Facebook feed with PH, HN, DN and more.
FamousFix - Formally known as WhosDatedWho