Seashore 0.1.9 Posted 4/06/2007 at 15:43 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Seashore 0.1.9 is an open source image editor for Cocoa. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMP's technology and uses the same native file format.