

You can then edit, comment, and suggest changes with fellow classmates. Google Docs also shines when it comes to collaboration, letting you share notes with others in a few clicks.

That means even when you're in a class without an internet connection, you can still take notes and have Google sync them with your account once you're connected again. Google Docs comes free with every Google account, and who doesn't have a Gmail account? Plus, with Google Chrome, you can run Docs offline in your browser. Sharing notes is easy when everyone has a Google account
