GIMP Portable is the popular GIMP image editor packaged as a portable app, so you can take your images with you and do your editing on the go.
You can place it on your USB flash drive, iPod or portable hard drive and use it on any computer, without leaving any personal information behind.
This package needs no installation and contains only Open Source, meaning this is the full version, royalty-free and containing no Spyware or Adware.
The GIMP (GNU Image Manipulation Program) has many capabilities and offers easy solutions for such tasks as photo retouching, image composition and image authoring.
It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.
100 languages are already provided for the user interface, and counting!