VLC Media Player A powerful media player which supports next to every type of video, audio or media file, or radio stations.
K-Lite Codec Pack Full Comprehensive selection of video codecs which allow for the playback of most types of video files found on the web including DivX, XviD, MKV, MusePack DirectShow.
K-Lite Codec Pack Mega Virtually all useful video and audio codecs provided in one package which allows for the playback of all multimedia files.