VLC - the cross-platform media player and streaming server. VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.

Kantaris is an all new media player based on code from Videolan client (VLC) and Bass audio library. Kantaris has a graphical user interface similar to that of Windows Media Player. Kantaris can play almost anything you can throw at it -- AVI, MPEG, MGEG-AVC, WMV, MOV, MKV, quicktime, matroska, divx, xvid, H264, MP3, WMA, OGG files and more. Kantaris can also play DVDs and audio CDs. The player also displays some of the most beautiful music visualizations ever seen. Kantaris Media Player aims to be an all-in-one media player that provides a great audio and video experience. Kantaris is an open-source alternative to Windows Media Player with similar GUI and features.