Snip
http://snip.qq.com/
Taking screenshots on your Mac is easy... just hold down Command+Shift+4 and then drag a square around what you want to screenshot. An image name "screenshot" will...
Snip - Free Screenshot + Annotation Software for Mac
Number Frames App
Number Frames
https://itunes.apple.com/us/app/number-frames-by-math-learning/id873198123?mt=8
Number Frames is a free app from the same company that makes Geoboard, Number Pieces Basic, Number...
