Wikipedia
KMPlayer
K-Multimedia Player (commonly known as The KMPlayer, KMPlayer or KMP) is a media player for Windows which can play a large number of formats including VCD, DVD, AVI, MKV, Ogg, OGM, 3GP, MPEG-1/2/4, WMV, RealMedia, FLV and QuickTime. It has a significant user base and has received strong ratings and reviews on major independent download sites.