Audiozilla Audio Converter - Audio converter software that works via right-click.
MP3Gain - A free automatic mp3 volume normalizer.
DVDVideoSoft Video to DVD Converter - Free Video to DVD Converter: converts video to DVD format and burns it to a DVD disk
QMP3Gain - Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts...
soundKonverter - soundKonverter is a frontend to various audio converters. The key features are:
wxMP3gain - Needs to be compiled.