Top 5 Free Web Annotation Apps
Web annotation applications provide an overlay and interface that permits the user to draw or write editing notes directly on top of websites and images. AppAppeal ranks all web annotation apps based on worldwide popularity.
MarkUp lets you draw on any webpage with a variety of tools to make a point, express your thoughts or just simply edit.
Free plan available
A.nnotate is an app where users can review online documents and collaborate on content.
InFocus.cc is an app that lets its users highlight and share their focus on the web.
Price range (p/month):
Co-ment is an online text annotation tool that can be used for collaborative writing projects.
Aviary Falcon Image Markup allows users to easily markup images online.