MPlayer Essential Codec Pack
MPlayer is a movie player which runs on many systems (see the documentation). It plays most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files, supported by many native, XAnim, and Win32 DLL codecs. You can watch VideoCD,...
Totem Media Player
Totem is the official movie player of the GNOME desktop environment based on xine-lib or GStreamer. It features a playlist, a full-screen mode, seek and volume controls, as well as keyboard navigation.
Mplayer
MPlayer is a movie player which runs on many systems (see the documentation). It plays most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files, supported by many native, XAnim, and Win32 DLL codecs. You can watch VideoCD,...
FFmpeg
FFmpeg is a complete solution to record, convert and stream audio and video. It includes libavcodec, the leading audio/video codec library. FFmpeg is developed under Linux, but it can compiled under most operating systems, including Windows.
KPlayer
KPlayer is a KDE media player based on MPlayer. With KPlayer you can easily play a wide variety of video and audio files and streams using a rich and friendly interface that follows KDE standards.
Xine Video Player
xine is a free multimedia player. It plays back CDs, DVDs, and VCDs. It also decodes multimedia files like AVI, MOV, WMV, and MP3 from local disk drives, and displays multimedia streamed over the Internet.
Main Concept MainActor
This is a linux video editing tool.The demo version of MainActor 5 - Linux Video Editing - is fully functional, though it adds a watermark to processed video (without harming your source material).
Kaffeine Player
Kaffeine is a full featured Multimedia-Player for KDE. By default it uses xine as backend. Kaffeine is free software distributed under the terms of the GNU General Public Licence.
Real Player
RealPlayer@ 10 supports RealAudio, RealVideo 10, MP3, Ogg Vorbis and Theora, H263, AAC and more.