1)   Audio Conversion Wizard 1.8
This tool with easy step-by-step interface helps you to convert audio files of MP3, WMA 9, OGG and WAV PCM formats from one to another with ID3v2 copying and creation. Single mode for one-file conversion and Batch mode for converting several files.

 2)   Ogg Encoder Decoder 1.2.3
Vorbis is a new audio format that may well be the end off your mp3 collection. With Ogg Encoder Decoder you can convert MP3 or WAV into Ogg and decompress it back into WAVE easily.

 3)   Advanced Encode Decode Tools 1.065
A striking all-in-one tool for home and office use with only Hi-Fi sound compression algorithms and a unique AC3 decoder. Features user-friendly multilingual interface and includes single-mode operation for one-file conversion, batch-mode for several

 4)   Active WMA Studio 1.2
Active WMA Studio is the audio conversion utility with Explorer-like interface, It allows you to encode WAV, MP3 and OGG files to WMA (Windows Media Audio).

 5)   MB AudioConverter 2.0
Convert MP3 or WMA(or WAV) files into WAV files by simply right click audio files or just drag the files and drop onto another folder.Group of files and folder conversion are also supported.

 6)   BeeThink MP3 WMA To WAV Converter 2.0
Convert MP3 or WMA(or WAV) files into WAV files by simply right-clicking audio files.Group of files and folder conversion are supported.