Sound InDepth 

Sound In Depth is a powerful and easy-to-use audio editing and Converting program with multi-language support. Simply Manage and edit your sound files.Perform various operations with audio files .Also offers various editing features and much more.
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Audio Converter Mixer 

Audio Converter & Mixer can convert and mix all kinds of sound files into one large wav file. Audio Converter & Mixer can configure the volume, start time and playback speed of each sound track. Extract sound track from many audio and video formats.
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Power Mixer 

Power Mixer is a complete Volume Control replacement that lets you easily change the sound volume by simply rotating the mouse wheel or by using hot keys. It includes an audio mixer, a scheduler, OSD, command line support, customizable presets.
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