1)   Audio/Video To Wav Converter 1.0.3.0356
It can convert almost all kinds of audio and video files to a wav file. With the build-in multimedia player, you can preview the media file, set start time and end time, convert any audio section of the file without quality loss.

 2)   Kate's Video Cutter (free beta) 1.73
Easy to use tool to extract part of the video and save it in same or different format. Supports AVI, WMV, MOV , DIVX, ASF, 3GP, MP4, MPEG1, MPEG2, VCD-PAL ,VCD-NTSC, SVCD-PAL, SVCD-NTSC, DVD-PAL, DVD-NTSC and other formats.

 3)   Kate's Video Toolkit 2.49
All-in-one video/audio toolkit solution. Convert, Cut,Join, Mix and Apply effects. Supports AVI, WMV, MOV , DIVX, ASF, 3GP, MP4, MPEG1, MPEG2, VCD-PAL ,VCD-NTSC, SVCD-PAL, SVCD-NTSC, DVD-PAL, DVD-NTSC and other formats.

 4)   Kate's Video Joiner - free beta 1.66
Joins multiple videos of same or different format and save it as single video. Supports AVI, WMV, MOV , DIVX, ASF, 3GP, MP4, MPEG1, MPEG2, VCD-PAL ,VCD-NTSC, SVCD-PAL, SVCD-NTSC, DVD-PAL, DVD-NTSC and other formats.

 5)   Kate's Video Converter - free beta 1.79
Video converter which can convert video file between all popular video formats including AVI, WMV, MOV , DIVX, ASF, 3GP, MP4, MPEG1, MPEG2, VCD-PAL ,VCD-NTSC, SVCD-PAL, SVCD-NTSC, DVD-PAL, DVD-NTSC and other formats.