ofCourseBooks - Let your students write, save and share their course notes.
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Awesome Computer Science Opportunities - Resources for computer science students
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes
Student Kit - Everything a student needs.
Goodreads - See what your friends are reading.