| Votes | By | Price | Discipline | Year Launched |
| Hypothesis | FREE | Interdisciplinary |
Description
Features
Offers
Reviews
Hypothesis is an open-source online annotation tool that allows users to highlight, annotate, and discuss web pages, PDFs and other digital content directly in the browser.
Founded around 2011 as a project to add a “peer-review layer” to the web, it is popular among researchers across the world.
Annotating, Reading Enhancement, Tagging, Citation Options, Collaborating