Seashore

Seashore is an open source image editor for Mac OS. 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 GIMPs technology and uses the same native file format.

However, unlike the GIMP, Seashore only aims to serve the basic image editing needs of most computer users, not to provide a replacement for professional image editing products.

Features

Full support for the XCF file format Reading and writing TIFF, PNG, JPEG and JPEG 2000 file formats Reading BMP, GIF, PDF, PICT, and XBM file formats Layers and layer merging effects Individual editing of layer channels Transparency effects and transparency in gradients Arbitrary selection regions (i.e. through a lasso tool) Anti-aliased paint brushes 6 gradient effects Graphics tablet support Plug-in filter effects