GIMP is a freely distributed program for such tasks as photo retouching, image composition and image authoring.You can edit JPEG (JFIF), GIF, PNG, TIFF Image easily using GIMP.
GIMP allows you to customize the view and behavior the way you like it. Starting from the widget theme, allowing you to change colors, widget spacings and icon sizes to custom tool sets in the toolbox. The interface is modulized into so called docks, allowing you to stack them into tabs or keep them open in their own window. Pressing the tab key will toggle them hidden.
GIMP features a great fullscreen mode allowing you to not only preview your artwork but also do editing work while using the most of your screen.
- GNU/Linux (i386, PPC) , Microsoft Windows (XP, Vista) ,Mac OS X , Sun OpenSolaris ,FreeBSD