Epic Pen - A windows tool for drawing over your desktop and applications
Ardesia - Ardesia is an usefull software for use your desktop as a Sketchpad.
gInk - An on-screen on-screen annotation software for Windows.
FrontSketch - Highlight, annotate, draw, capture, write on your computer screen during run-time
Arabic Speech to Text - Arabic Speech to Text app enables users to enter the text by using image scanning, voice recognition, and text features to start the conversation without much of a stretch.
Pylote - To draw on the screen and to handle the instruments of geometry there.