Hvper - The Internet on one page. Successor of Popurls, the mother of news aggregators.
Refined Twitter - A browser extension that improves the Twitter experience
Muckerty - Find out the relationship between people, organizations, and companies in the news.
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.