FriendFilter - Auto unfriend tool for Facebook
Rufus By Jtanza - Rufus is a free, open-source web based RSS reader, designed to be both simple and fast.
Spark Now - Ignite the passion in your relationship
FamousFix - Formally known as WhosDatedWho
Facebook friends feed - Facebook with stories only by friends and pages you follow
Muckerty - Find out the relationship between people, organizations, and companies in the news.