wmJupiter is a Window Maker applet which features the planet Jupiter. It allows you to keep track of the Great Red Spot and the current distance in astronomical units (AE). The four Gallileo moons (Io, Europa, Ganymede, and Calisto) are also displayed when they are near the planet.
GOULD (GTK+ Objects Ultra Light Desktop) is an ultra-light desktop environment. Tt provides gpanel, a configurable desktop panel with a built-in shortcuts manager, gdisplay, an image viewer with a directory browser, gsnapshot, for screen, window, and region capture, and grdesktop, an rdesktop front-end.