Seashore Photo Editing Software

Seashore is open source image editing software for Macs, from Sourceforge.net:

[Seashore] 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.

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

Featuring a very Photoshop-like interface, Seashore provides much more than “basic” photo editing. Layers, merging effects, channel editing, transparent and gradient effects, and a large selection of brush strokes make this a powerful image editor, even for more advanced users.

Seashore’s features include:

  • Full support for the GIMP’s native XCF file format
  • Read and write support for the TIFF, PNG, JPEG, JP2000 and GIF file formats
  • Read-only support for the BMP, PICT, PDF and XBM file formats
  • Layers with over 20 merging effects
  • Ability to edit just the primary or alpha channels
  • 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

Most features work on Mac OS 10.3 and later, with the exception of JP2000 support for which Mac OS 10.4 is required.  

Of all the open source editors I have tried (as well as several commercial programs), this one looks like a front-runner!

As with any image editing software, be sure to work with copies of important work, rather than the originals.


 

Article update July 8, 2014:

Seashore has continued improvements and updates.  The 2014 version is available here:
http://sourceforge.net/projects/seashore/

Download earlier versions of Seashore here:  http://seashore.sourceforge.net/download.php

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