Rocket Reads - A simpler alternative to Goodreads
GoPad for Schools - School Management
Knowall - Book Recommendations from Friends
Sawyer - Discover a wonder-filled world of kids classes, camps, events, and activities, right in your neighborhood
Kooba - An interactive graph for finding new books
Yusp - Yusp is a next generation, real-time personalization engine having all product modules as defined by Gartner for various business models.