It is used in many applications both commercial and non-commercial. Several vendors distribute the XPM library, as contributed software, on the platforms they sell. Moreover, the Common Desktop Environment specifies that icons must be stored either in XBM or XPM format. ImageMagick is an X11 package for display and interactive manipulation of images. The package includes tools for image conversion, annotation, compositing, animation, and creating montages.
Display is a machine architecture independent image and display program.
It can display an image on any workstation display running an X server. It also aims to provide simple manipulation routines that might be desired for common operations. GDK is designed as a wrapper library that lies on top of Xlib. It performs many common and desired operations for a programmer instead of the programmer having to explicitly ask for such functionality from Xlib directly. For example, GDK provides a common interface to both regular and shared memory XImage types.