Goodreads - See what your friends are reading.
Tuio.org - Tuio is a billing and payment application that allow daycare centers and pre-schools to centralize and manage all parent billing and payment in one place.
LibraryThing - A home for your books.
Sawyer - Discover a wonder-filled world of kids classes, camps, events, and activities, right in your neighborhood
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Yusp - Yusp is a next generation, real-time personalization engine having all product modules as defined by Gartner for various business models.