Ordinatore - Those who want to tidy up their Macs will surely love this application.
Color Hunter - Color Hunter is a place to find and make color palettes created from images.
ConvertIcon! - Converticon is a simple icon utility.
OpenCV - OpenCV is the world's biggest computer vision library
GenFavicon - Generator Favicon.
GraphicsMagick - GraphicsMagick is the swiss army knife of image processing.