LameXP - LameXP is an Audio Encoder Front-End, a graphical user-interface for a number of audio encoders.
MP3Gain - A free automatic mp3 volume normalizer.
Multi frontend - Multi frontend is a Windows GUI (grafical user interface) for the following console audio...
wxMP3gain - Needs to be compiled.
FLAC Frontend - [No longer maintained, but downloadable]
easyMP3Gain - Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the...