GetCodecs is a simple applet written in Python with a GTK2 GUI that downloads, installs, and configures your system to use the various multimedia formats (MP3, DivX, DVD, etc.) that are not shipped with many distributions (such as Red Hat).
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
