Diigo

Save, tag, highlight and annotate web pages and PDFs, and organize research with Outliner.

Browser extensionfreemiumglobal

A browser extension and freemium service for saving, tagging, highlighting and annotating web pages and PDFs while browsing. It helps collect and organize research into a structured personal library with Outliner, share work via Groups, and archive annotated pages (premium) to keep resources available if originals disappear; aimed at students, researchers, educators and knowledge workers.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of Diigo - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim Diigo to unlock →

Something wrong with this listing — dead link, not a real product, wrong info?

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether Diigo (or something else) actually fits.

Try a problem