UM Player

UMPlayer is an advanced yet simple to use open-source cross-platform multimedia player that aims to fill all your needs; with over 270 built-in Audio and Video codecs UMPlayer can play any media format including AAC, AC3, ASF, AVI, DIVX, FLV, H.263, Matroska, MOV, MP3, MP4, MPEG, OGG, QT, RealMedia, VOB, Vorbis, WAV, WMA, WMV, XVID as well as Audio CDs, DVDs, (S)VCDs, TV / Radio cards, Youtube videos, SHOUTcast Radio streams and even incomplete or damaged media files. It also comes equipped with some unique features such as a built-in subtitles search, YouTube player / recorder, SHOUTcast Radio player, skinable interface, customizable hotkeys, audio / subtitles sync, and many more.
UMPlayer stands for Universal Media Player, and this open-source freeware aims to be a universal media solution. With hundreds of codecs, it plays most video and music files as well as audio CDs, DVDs, SHOUTcast, and live radio and TV from tuner cards. Of course, it plays YouTube videos; in fact, it has a built-in YouTube player/recorder feature and search field on its toolbar. With a skinnable interface, hot keys, subtitle sync, and the regular free updates of an active open-source project, UMPlayer poses a serious challenge to VLC, MPC and other popular free media players.