Collect and organize anything! This tool (which also has an app for the iPad) allows you to bookmark and save URLS, notes, screenshots, pictures, and more, and then access them from any computer connected to the internet! Also, teachers can set up groups for their students to organize and share resources, as well as to collaborate and communicate in the Diigo group space.
Scoop.it is a powerful publishing platform. With Scoop.it everyone can be a publisher. Scoop.it helps you find content from your favorite topics, and creates your own beautiful online magazines. Once you have chosen w hat you want to share, you feed them through your social networks or blogs - Twitter, Facebook, and WordPress with a click or two of a button.