Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
foobar2000 - An advanced freeware audio player for the Windows platform.
ServeStream - ServeStream is an open-source application that is intended for HTTP media player streaming, and the media server browser comes with the alluring support for custom online radio and Shoutcast streams.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
MixTape - Home of MixTape, an OSX application for creating beat matched mixes with simple export to the web or iTunes.
Museeks - A simple, clean and cross-platform music player