VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

si.ASX	Advanced Stream Redirector
si.DTS	Digital Theater Systems Audio File
si.GXF	General eXchange Format
si.M2V	MPEG-2 Video
si.M3U	MP3 Uniform Resource Locator
si.M4V	MPEG-4 Video File
si.MPEG1	MPEG-1 Video
si.MPEG2	MPEG-2 Video
si.MTS	AVCHD Video File
si.MXF	Material eXchange Format
si.OGM	Ogg Multimedia Container File
si.PLS	Playlist
si.BUP	DVD Information File
si.A52	Dolby Digital AC-3 Compressed Audio File
si.AAC	Advanced Audio Coding Compressed Audio File
si.B4S	Winamp 3+ Playlist
si.CUE	Cue Sheet
si.DIVX	DivX Movie
si.DV	Digital Video
si.FLV	Flash Video
si.M1V	MPEG-1 Video
si.M2TS	MPEG-2 Transport Stream Videos
si.MKV	Matroska Video Stream
si.MOV	Apple QuickTime Movie
si.MPEG4	MPEG-4 Video
si.OMA	OpenMG Audio File
si.SPX	Ogg Speex Audio File
si.TS	DVD Video
si.VLC	VLC Media Player Data
si.VOB	DVD Video Object
si.XSPF	XML Shareable Playlist Format
si.DAT	VCD Video
si.BIN	Binary DVD Video
si.IFO	DVD Information File
si.PART	Partially Downloaded File
si.3G2	3G Mobile Phone Video
si.AVI	Audio Video Interleave
si.MPEG	MPEG Video
si.MPG	MPEG Video
si.FLAC	Free Lossless Audio Codec Compressed Audio FIle
si.M4A	MPEG-4 Audio File
si.MP1	MPEG-1 Audio Layer I
si.OGG	Ogg Multimedia Container File
si.WAV	Waveform Audio
si.XM	Extended Module Audio File
si.3GP	3G Mobile Phone Video
si.SRT	DVD Subtitles File
si.WMV	Windows Media Video
si.AC3	Dolby Digital AC-3 Compressed Audio File
si.ASF	Advanced Systems Format Video
si.MOD	MOD Audio File
si.MP2	MPEG-1 Audio Layer II
si.MP3	MPEG-1 Audio Layer 3
si.MP4	MPEG-4 Part 14 Multimedia Container
si.WMA	Windows Media Audio File
si.MKA	Matroska Audio Stream
si.M4P	Protected AAC File

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