Download BlinkenPaint 3.1 for Mac from our website for free. The program lies within Audio & Video Tools, more precisely General.
From the developer:
You can create your own images and aminations for Blinkenlights. We provide you with a program for Mac OS to do easily build your own Blinkenlights Movies using the mouse.
You may want to check out more software for Mac, such as MediaBlender Player, New York Cam or GigBaby Sharing Utility, which might be related to BlinkenPaint.