1)   Free CD to MP3 Converter 4.3
A free and easy to use CD ripper software allows you to extract audio CD and convert to MP3, Wav, Ogg or Wma format.It can normalize the output files and supports additional LAME options. You can record to MP3 with your microphone.

 2)   Free M4a to MP3 Converter 6.2
Free M4a to MP3 Converter is a free and narrowly focused application with an intuitive interface allowing you to convert M4A and AAC to MP3/WAV and immediately listen to the converted music with the help of the built-in player. Check it out now!

 3)   Efficient WMA MP3 Converter 0.98
Free Efficient WMA MP3 Converter allows you to convert from wide range of audio and video formats (like WAV,WMA,MP3,OGG,FLAC,M4A,RA etc) to most popular formats WMA,MP3,OGG,APE,FLAC,WAV. Conversion process is very easy with help of this program.