Inkscape is a free SVG editor. Users of Adobe Illustrator, Corel Draw, and Visio can find a similar range of features and a familiar user interface in Inkscape. Among its features, find SVG-to-PNG export, layering, transforms, gradients, grouping of objects, and more. Find more information about Inkscape at http://www.inkscape.org/.

Dia is a Linux application aiming to be the Linux equivalent of Visio. It supports many types of special diagrams, such as network or UML charts. Export formats include SVG, PNG, and EPS. To support your own custom-made diagram types, provide the new shapes in a special XML format. Find more information about Dia at http://www.gnome.org/projects/dia/.

The GIMP is the Open Source alternative to Adobe Photoshop. Its feature list rivals that of Photoshop, so it is well suited for professional image manipulation. There is even a Windows version of GIMP available. Find more information at http://www.gimp.org/ or refer to Chapter 18, Manipulating Graphics with The GIMP.

The Persistence of Vision Raytracer creates three-dimensional, photo-realistic images using a rendering technique called ray tracing. Because there is a Windows version of POV-Ray, it does not take much for Windows users to switch to the Linux version of this application. Find more information about POV-Ray at http://www.povray.org/.

Blender is a powerful rendering and animation tool available on many platforms, including Windows, MacOS, and Linux. Find more information about Blender at http://www.blender3d.com/.

Digikam is a smart digital photo management tool for the KDE desktop. Importing and organizing your digital images is a matter of a few clicks. Create albums, add tags to spare you from copying images around different subdirectories, and eventually export your images to your own Web site. Find more information about Digikam at http://digikam.sourceforge.net/Digikam-SPIP/ or refer to Chapter 16, Digital Cameras and Linux.

gThumb is an image viewer, browser, and organizer for the GNOME desktop. It supports the import of your digital images via gphoto2, allows you to carry out basic transformation and modifications, and lets you tag your images to create albums matching certain categories. Find more information about gThumb at http://gthumb.sourceforge.net/.

Kooka is a scan and OCR suite for the KDE desktop. It allows you to configure the main scan parameters, choose from various export formats, and organize the scanned data. The OCR module provided by the Kooka package adds some basic text recognition features. Find more information about Kooka at http://www.kde.org/apps/kooka/ or refer to Chapter 17, Kooka—A Scanning Application.

Gwenview is a simple image viewer for KDE. It features a folder tree window and a file list window that provides easy navigation of your file hierarchy. Find more information at http://gwenview.sourceforge.net/home/.