Instapaper, the app that lets you save and share online articles, has just launched a new annotation functionality called Notes. The feature allows users to select a piece of text from an article or ...

What’s It Like? Genius is a tool for annotating text online. An outgrowth of Rap Genius (a longtime tool for collecting and annotating rap lyrics online), Genius lets users annotate and analyze texts ...

Papers gains new PDF annotation tools, including ink, text boxes and improved form support, now available in GNOME Nightly builds.

*Note* The interface and features of Perusall may change over time without much advance notice. Please check out their ‘Changelog‘ for updates, improvements, and fixes. Once you have material uploaded ...

Many workplaces and educational institutions have completely switched from paper documents to digital ones. Consequently, Mac users are increasingly dealing with PDFs and other e-document file formats ...