WMV Merger is an easy-to-use tool to join many kinds of video files into a wmv file with transition effects. It can merge many video formats such as MPEG (MPG), VCD, AVI, WMV, ASF.

MIDI To WMA Converter can convert MIDI/MID/RMI file to WMA format. Then you can use the wma file on widely platform or portable device or phone.

WMV Joiner joins wmv files to a wmv file without recompression and quality loss. Only the WMV files, which have same frame rate, frame size, video and audio codec parameters, can be joined. The joining speed is extremely fast.

SolveigMM Video Splitter is a fast tool to losslessly split, cut or trim MPEG-1, MPEG-2, AVI, WMV, WAV, MP4, MOV, MKV, AVCHD, ASF, MP3, WMA files. Batch file support is included. Files joining supported.

VideoPad is movie making software for Windows that allows you to create and edit videos from many formats including avi, wmv, .3gp, wmv, divx as well as several others.