1)   AudioConverter Studio 5.9
AudioConverter Studio is an Audio Converter and a CD-Ripper combined into one easy-to-use utility. It does CD to MP3 or WMA conversion on the fly, rips CD tracks to WAV files and does WMA to MP3, MP3 to WMA, OGG to MP3 and FLAC to MP3 conversion.
audio converter, cd ripper, cd grabber, mp3 converter, bitrate changer, mp3 to wma, wma to mp3, flac to mp3, flac converter, ape to mp3,

 2)   All To MP3 Converter 3.2.6
If you want to convert your WAV,WMA 9 or OGG files to MP3 format, this program is exactly what you are looking for. You can start conversion directly from Explorer by right-clicking on selected files and selecting "Convert to MP3" from context menu.
wma to mp3, wma converter, mp3 encoder, wav to mp3, ogg to mp3, wave to mp3, ape to mp3, wma decoder, ogg decoder, flac to mp3,

 3)   1st Multiformat Converter and CD Ripper 5.9
1st Multiformat Converter and CD Ripper easily rips Audio CDs and converts between the most popular file formats: MP3, WMA, OGG, APE, FLAC, MPC, WAV. It is possible to adjust bit rate, frequency, etc. The converted files keep all ID3Tags data.
Multiformat converter, audio converter, music converter, mp3 converter, mp3 encoder, mp3 decoder, cd ripper, cd grabber, wma to mp3, flac to mp3,

 4)   Audio Conversion Wizard 2.0
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.
wma to mp3, mp3 to ogg, wma to ogg, wma to wav, flac to mp3, ape to mp3, wma to mp3 converter, wma converter, mp3 converter, ogg converter,

 5)   OJOsoft MP3 Converter 2.7.3
It can convert various video and audio files to MP3, MP2. Moreover, it can easily convert MP3 files to audio formats like WMA, M4A, AAC, OGG, AC3, MP2, 3gp, mp4, WAV etc. 
MP3 Converter, WMA to MP3, MP4 to MP3, M4A to MP3, MP3 to WAV, MP2 Converter, FLAC to MP3, WAV to MP3, MP3 to WMA, MP3 to M4A,

 6)   MediaSanta FLAC Converter 5.0
MediaSanta FLAC Converter is a convert FLAC to other media formats including FLAC to 3GP,FLAC to AVI,FLAC to FLV,FLAC to iPod,FLAC to MKV,FLAC to MOV,FLAC to WMV,FLAC to OGG,FLAC to MKV ,FLAC to RM10,FLAC to RM20,FLAC to SWF,FLAC to WMV,FLAC to M1V.
FLAC to 3GP, FLAC to AVI, FLAC to FLV, FLAC to iPod, FLAC to MKV, FLAC to MOV, FLAC to WMV, FLAC to OGG, FLAC to MKV, FLAC to RM10,