This plugin is a fork of assignfeedback_editpdf, and is developed and maintained by RISET/University of Lausanne. It allows to use several types of customizable tools: simple annotation, comment, stamp, highlighting, margin annotation, chained annotations.
This allows a teacher to annotate and return PDF files that have been submitted by students. Teachers can add and position comments and draw lines, ovals, stamps, rectangles and highlights onto the student's work, from within the browser. For Moodle 2.6 and above, I advise you use the standard functionality instead.
This plugin allows teachers to grade and providing feedback for OneNote assignment submissions. This includes viewing a student's submission in OneNote, creating a OneNote page associated with their feedback on the submission, saving that feedback from OneNote into Moodle as a zip package containing the HTML and any associated images contained in the submission, and recreating the OneNote page from the zip package saved in Moodle if necessary.
[For Moodle 2.6] an optional (but recommended!) addition to the Mahara Assignment Submission plugin. This plugin allows Moodle to automatically unlock submitted Mahara portfolio pages & collections after grading.