Platform: iOS, Android
Language GLSL, Objective-C, Java
Status Discontinued but maybe back in some form some day.
This is an experiment I did while in Uni. I wanted to make something free, open source and collaborative. I invited shader artists Cale Bradbury, Devin Horsman, Yancy Way and Rob Butler to create effects for the applications. Each shader could be masked to colors of the input image, parameterized by a threshold.