Microsoft's digital notebook
If you need a way to organize your digital life online then OneNote is the perfect answer.
OneNote is a productivity tool which allows you to make digital clippings and collaborate with others across devices on projects. OneNote is ideal for everyone from those who just want to make shopping lists on the move to those capturing notes for classwork or brainstorming in the office.
OneNote is great for collaborative projects as it also runs on Mac, iPad, Android, Windows and Windows Phone.