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

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

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