Polypaudio: Networked Sound Server
Polypaudio is a relatively new cross-platform networked sound server project. The first release came out in July, 2004, the software has been released under the LGPL. "Polypaudio is a networked sound server for Linux and other Unix like operating systems and Microsoft Windows. It is intended to be an improved drop-in replacement for the Enlightened Sound Daemon (ESOUND)." The main function of a sound server is to allow multiple audio applications to simultaneously share the same sound card, the networking capabilities extend this ability across machines.