What is it? 
"Collect and highlight, then remember. Annotate, Archive, Organize."
  • Save and retrieve useful websites, on any computer. 
  • Group sharing of and commenting on web resources.
  • And more ...

Create your account - then fill out the application form to get the educator features

Extensions and Apps
Complete list of bookmarklets, browser add ons, and mobile applications. Explore the possibilities for the browser and/or mobile device you prefer!

Ideas for Education / Relationship to Other Tools
diigo groups can be useful for your own professional growth, as well as for projects in your classes. Learn more about diigo groups (a "group knowledge repository") and then join or create one!

diigo has a "read later" tag which can function similarly to Instapaper and Evernote Clearly.

diigo is expanding its functionality beyond saving websites/bookmarks to include storage and organization of notes, files, and images - in that sense it is beginning to overlap in its capabilities with Evernote.