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

Is a street preacher the right metaphor for every little blog online? UPDATE: Since this story was published, both Genius and Hypothesis have moved to undermine abuse via web annotation using their ...

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 ...

The last time we explored Preview, OS X’s built-in document and image viewer, we discussed using it to crop and resize images, as well as how to undo those changes (see “The Power of Preview: Cropping ...

Ever since I started using Obsidian to collate my digital research, I have continued to discover ways to maximize its functionalities. Lately, I’ve transitioned to Obsidian for handling PDFs and ...

*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 ...

PDFs are great, portable, cross-platform documents that you can read on your Mac, your iPad or iPhone, or on a PC. But this ubiquitous file format is also useful when you need to share works in ...