Bookmarks Still the easiest way to collect the sites you want to get back to later.

Personal Library Your complete online knowledge collection, all in one place.

Highlights Highlight text directly on any web page for personal reference or collaboration.

Sticky Notes Add text, comments or reminders directly on any web page with sticky notes.

Outliner Structure your research by automated streamlining through Diigo or by your own personal customization.

Groups Share your research with colleagues, classmates and friends through our collaborative platform for knowledge sharing.