Editing Software

GIMP is the GNU Image Manipulation Program and is a freely distributed program for image manipulation and image authoring. It has many capabilities. 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. 

Corel Paint Shop Pro is a raster graphics editor and later in the series, a vector graphics editor. Paint Shop Pro is considered to be the ultimate photo-editing software and offers features such as turning photos into slideshows, editing and retouching your photos and uploading photos directly onto your facebook, flickr and youtube account.

Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated. The software redefines digital imaging with powerful new photography tools and breakthrough capabilities for complex image selections, realistic painting, and intelligent retouching.While Adobe is the industry standard, several features are available on the cheaper Paint Shop Pro and even the freely distributed GIMP.

Paint.NET is a proprietary freeware raster graphics editing program for Microsoft Windows. Paint.NET has evolved from a simple replacement for the Microsoft Paint program, which is included with Windows, into a powerful editor with support for layers, blending, transparency, and plugins.