Gliffy is a web-based drawing and diagramming program for use on Mac, PC, and Linux Systems. Gliffy can be used to make very simple to very complex technical drawings. The program offers many images and shapes to drag and drop into your drawings. Gliffy drawings are easily emailed and or embedded into the video below explains the Gliffy program.

Applications for Educators
Gliffy could be a great way to have visual learners draw a pictorial outline before writing an essay or giving a presentation. I have recently begun using Gliffy with some students who have struggled to write cohesive essays and their essay organization has improved. Compared to the drawing and graphing features in most presentation programs, Gliffy is an easier way to create graphs and drawings for use in presentations.