Logitech Media Server (LMS) is a streaming audio server.
Originally supported by Logitech, developed in particular to support their Squeezebox range of digital audio receivers, it is no longer distributed in conjunction with any Logitech hardware product.
LMS continues to be developed. Builds are available on SlimDevices downloads website or on the nightly builds section.
The product is supported through an active forum, where lot's of information about the product is available.
Logitech Media Server is free software, released under the terms of the GNU General Public License.