1. getcoldturkey.com – Block out distractions on your computer.
2. instaedu.com – Find a tutor, or take up tutoring to make a little side cash.
3. hemingwayapp.com – Make your writing bold and clear.
4. gridzzly.com – Print your own graph paper.
5. memrise.com – Learn languages and vocab with spaced repetition.
6. cheatography.com – Create and share cheat sheets.
7. engineeringtoolbox.com – Resources, tools, and basic information for engineering students.
8. studentrate.com – Find student discounts for everything.
9. openstudy.com – Form study groups with people around the world.
10. ratemyprofessors.com – Grade your professors, and find out who is worth taking.