Probably the oldest and most well-known open source graphic application - GNU Image Manipulation Program or Gimp was started in 1995 and has since then grown to the status it has today. Gimp is a valid competitor to all of the commercial bitmap drawing programs on the market. Among its features you find: powerful painting tools, layers and channels support, multiple undo/redo, editable text layers. Gimp as a plug-in architecture and a scripting engine that allow easy extension of it's functionality. More than a 100 plug-ins and scripts are already available. Also Gimp imports files from Photoshop (psd) and can also read scalable vector graphics (svg) files
