21 – Diigo
Diigo is a social bookmarking, research and knowledge sharing tool. It lets you make personal notes and highlight text on web pages and share them with others. Website: www.diigo.comCost: Free and premium versionsAvailability: OnlineYEARLY RANKINGS 2015: 42 2014: 202013: 212012: 182011: 132010: 152009: 222008: 352007: 72= Comments from some of those who selected Diigo as one of their Top Tools “Diigo – one of my university lecturers introduced me to this tool last year. I have found it fantastic for storing and categorising useful links for my own use and to share these with others. Pre-2013 comments “with delicious I collect and share, with diigo I recollect, select, reflect collaborate (and so on)….
• Research: online learning