"The Beryl project, a fork of the Compiz compositing window manager, announced its initial development release, version 0.1.0, today. The developers hope the new project, born of the community-maintained compiz-quinnstorm branch after months of diverging development, will allow greater community involvement and produce more flexible code.
"Compiz was developed at Novell in conjunction with the Xgl X server and released in January 2006. It is a window manager (replacing, for example, GNOME's Metacity or KDE's KWin) that allows hardware-accelerated OpenGL and visual 'special effects' like transparency and animation..."