Acidemux is a free open source multi-format, cross-platform video editor for Ubuntu Linux

Acidemux is a free open source multi-format, cross-platform video editor for Ubuntu Linux,  specially designed for simply cutting, filtering and encoding tasks. It supports many file types, including AVI, DVD compatible MPEG files, MP4 and ASF, using a variety of codecs.

Its probably one of the best tools for editing videos in Linux. It has lots of options for tweaking and the best part is not only that its free but it produces high quality output files.

Key features of Acidemux include

• User Friendly interface
• WYSIWYG cutting, appending, filters and re-encoding into various formats
• mux and demux audio streams into and out of video files

Supported file formats : Avi, OpenDML, ASF, flash video, bmp, jpeg, png, Matroska, MPEG PS, OGM, Mp4, 3Gpp and Nuppel Video.

Supported Video formats includes Cinepak, DV, FFV1, H.263, H.264/MPEG-4 AVC, HuffYUV, Mpeg-1, Mpeg-2, Mjpegm MSMSPEG-4, Raw RGB, SVq3, VP3, VP6F and WMV2.

Last but not the least, audio formats cover AAC, AC3, AMR, Mp3, Mp2, Vorbis, WAV and WMA.