Arachne is program that implements Avidan and Shamir's seam carving technique for content-aware image resizing. It allows realtime, fluid image resizing using this fascinating technique. Seam carving works by removing the "boring bits" from an image, so it can change the aspect ratio of many images without changing the shape of the objects inside.
ArtistX is a live DVD which turns a computer into a full multimedia production studio. It is based on Debian GNU/Linux and contains nearly all the available free audio, 2D and 3D graphics, and video software for the GNU/Linux computing platform. It doesn't need to be installed, and boots directly into a running system without touching hard drives. The files produced with ArtistX can be easily stored on a USB card or CD/DVD medium while it is running.
Gutenprint (formerly Gimp-Print) is a collection of printer drivers for Unix/Linux that currently supports over 1400 printers. It emphasizes quality and flexibility, offering a wide variety of options to meet most printing needs. It includes a CUPS driver, an IJS-based Ghostscript driver, Foomatic data, an enhanced Print plugin for The GIMP, and other printer maintenance utilities. It can be used equally well for fast printing of text or critical printing of high quality graphics and photographs.
Pakt is an XML abstraction layer for GObjects. It maintains a server-side tree of glib-like (Gtk, Gnome, etc) objects and provides access methods to manipulate the same (and thereby the running 'application'). Its primary use is to publish GStreamer pipelines, enabling connected clients to monitor and change the element's parameters and the pipeline's structure.