WMRack is a combined CD-Player and Mixer Applet which fits in 48x48 pixels. It is designed for the WindowMaker dock, but works fine with other window managers, and can be swallowed by most wharfs/buttonbars/panels.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.