Hypothesis is a free, open access platform that stands out from many other annotation tools with broader functionality. In particular, it offers students the opportunity to work collectively to share ...

Web annotation tool Webnotes gets pro flavor Annotation service now has a professional version for users who want to mark up PDFs along with normal Web pages.

Microsoft is reportedly testing Live Annotation in Snipping Tool, letting you draw on screen before capturing.

IBM released a new component of its Cloud Annotations toolset that automatically labels images for the purpose of training AI and machine learning models.

Despite macOS having built in screen annotation tools, there are a lots of great apps out there. what app is the best macOS screen annotation tool option?