Teachr - Agriya’s Udemy clone script, online teaching software helps you to start up your own online course learning platform and provide e-learning courses.
Goodreads - See what your friends are reading.
Crammut - Crammut is the place where you and your team can create, keep track and complete learning paths. Agile tailored learning has arrived with Crammut.
LibraryThing - A home for your books.
MyLibretto - Your university life in your pocket
BookLikes - BookLikes is a free blog platform for book lovers. 100% independent and free.