Ardesia
Ardesia is an usefull software for use your desktop as a Sketchpad. You can write, markup and erase, also, of course, you can use your desktop as normal desktop.
Also you can record your desktop. Excellent for teachers, and tutors.
Ultimate Pen
Ultimate Pen is a software only solution which creates a full screen, transparent window, allowing you to draw on top of most ...
Pylote
Pylote is a software making it possible to draw on the screen of the computer, like handling various instruments of geometry. ...
Gromit-MPX
Gromit-MPX is a multi-pointer GTK3 port of the original Gromit desktop annotation tool. It enables graphical annotations with ...
FlySketch
FlySketch from Flying allows you to draw on top of any program which can't draw itself.
desktop-board
Annotate!Pro
Annotate to communicate for meetings, presentations, and training. Draw on top of any program running on your desktop. Annotat ...
Epic Pen
A windows tool for drawing over your desktop and applications