Seashore is an open source image editor for Cocoa.

It features gradients, textures and anti-aliasing for both text and brush strokes.

Seashore is a tool that supports multiple layers and individual channel editing. Seashore is based around the GIMP's technology and uses the same native file format. Seashore is still undergoing development.

Features:

· Full support for the GIMP's native XCF file format
· Read and write support for the TIFF, PNG, JPEG and JP2000 file formats
· Read-only support for the BMP, PICT, PDF, XBM and GIF file formats
· Layers with over 20 merging effects
· Individual primary and alpha channel editing
· Thorough transparency effects including semi-transparent gradients
· Arbitrary selection regions
· Anti-aliased brush strokes
· 6 basic gradient effects with 16 variations
· Tablet support
· ColorSync support (including embedded profiles in TIFFs and CMYK previewing)
· Plug-in filters

Alternatively you can download the latest stable version of this software.