Technological Tools



  • It is a secure subscription-based online knowledge management and social bookmarking website.
  • Users can upload and save personal notes, PDF documents, images, and webpages in “my library”.
  • Diigo Groups is a collaborative, knowledge-sharing research and learning tool that permits subscribers to pool their findings through bookmarks, highlights, and forums.

Source: Michalak, R. (2016).

User Interface

Highlighting content and adding comments for a saved webpage
Group sharing and learning

Literature and other sources

  • Castek, J., Beach, R., Cotanch, H., & Scott, J. (2014). Examining middle-school students’ uses of Diigo annotations to engage in collaborative argumentative writing. In Anderson, R. S. (Ed.), Handbook of research on digital tools for writing instruction in K-12 settings (pp. 80-101). Hershey, PA: IGI Global.
  • Fenn, J. (2014). Diigo, Collaborative Knowledge Acquisition, and Social Networks of Graduate-Level Coursework. In Mallia, G., & Mallia, Ġ. (Eds.), The Social Classroom: Integrating Social Network Use in Education (pp. 293-310). Hershey, PA: IGI Global.
  • Gao, F. (2013). A case study of using a social annotation tool to support collaboratively learning. The Internet and Higher Education, 17, 76-83.
  • Michalak, R. (2016). Diigo. Technical Services Quarterly, 33(1), 96-97.
  • Sun, Y., & Gao, F. (2017). Comparing the use of a social annotation tool and a threaded discussion forum to support online discussions. The Internet and Higher Education, 32, 72-79.

Diigo Tutorial (Bookmarking Tool)

Diigo Tutorial (Collaborate)

Organize Your Research with Diigo (Part 1 of 3)

Online Collaboration with Diigo (Part 2 of 3)

Diigo for Educators (Part 3 of 3)

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