Seashore is an open source image editor for Mac OS X's Cocoa framework. It features gradients, textures and anti-aliasing for both text and brush strokes. Developed by Mark Pazolli
License: Open Source
Seashore is a user-friendly tool focused on digital painting with a range of brushes and layer support, while FireAlpaca offers lightweight animation capabilities and a variety of filters, making it suitable for both illustrations and animations.