1)   AEDTools Pro 1.13
Plugin based universal audio converter. List of formats supported has more than 20 algorithms and could be enlarged adding a regularly updated plug-in (including WinAMP). If you can play an audio file on yo your PC that means that you can convert it!

 2)   Advanced WMA MP3 Converter 1.2
Advanced WMA MP3 Converter is the WMA to MP3 audio conversion software product with Windows Explorer-like user interface.

 3)   MP3 Audio Converter 1.71
MP3 Audio Converter is an useful MP3 converter to convert MP3 to WMA, MP3 to WAV, WMA to MP3. It supports to convert one format to another - like MP3 to WAV WMA, WMA to MP3 WAV, as well as supports to convert to same format with different encoding.