Intelliscore Ensemble WAV to MIDI Converter
Converts WAV, MP3, CD, and WMA to MIDI for live performance, makes multi-track .mid files, and transcribes music. Free demo.
http://www.intelliscore.net/

Advanced WMA Workshop
Encodes WAV, MP3 and OGG files to WMA and vice versa. Also has CD ripper.
http://www.litexmedia.com/

WAVmaker
A MIDI to WAV renderer.
http://www.polyhedric.com/software/wavmaker/

Monkey's Audio
Lossless compression of digital music.
http://www.monkeysaudio.com

MidiSyn
Convert your MIDI files to WAVE or MP3, burn them to CD. Uses Sound Fonts as MIDI sample data.
http://planeta.clix.pt/acesteves/MidiSyn/MSynMain.htm

Digital Ear
Audio to MIDI conversion software.
http://www.digital-ear.com/

WIDI Recognition System
Converter recorded polyphonic music or voice into MIDI with a built-in MIDI Editor.
http://www.widisoft.com/

Midi2Wav
Recorder from RINASoft converts MIDI files to WAV (for example, CD quality) using your sound card synthesis.
http://www.midi2wav.com/

dBpowerAMP
Converter that supports MP3, WAV, Ogg Vorbis, WMA, CDA, AAC/MP4, and Musepack.
http://www.dbpoweramp.com/

CoolSpeaking
A text to speech converter software that can read any text for you or convert text to WAV files.
http://www.yesgoal.com/speaking/speaking.htm

Solo Explorer
WAVE to MIDI conversion and editing software. Extracts music scores out of monophonic audio recordings.
http://www.recognisoft.com/

Computall Services
DAT to WAV.
http://www.ncf.carleton.ca/~aa571/

Neuratron Software
Scans sheet music and converts it to MIDI sequences.
http://www.neuratron.com/index.htm

PCtoS550
Converts WAV files into SysEx MIDI dumps for the Roland S-550 digital sampler. Freeware.
http://www.geocities.com/pctos550/

Muse
Converts many formats, plays and burns music files. Windows shareware version for download.
http://www.lacoj.com/

Extreme Sample Converter
Browser, real-time player, editor, disc copier and converter between different audio formats.
http://www.extranslator.com/

R8brain
Sample rate conversion of WAV files. Batch processing supported.
http://www.voxengo.com/r8brain/

MuseBook MidiMic
Use your acoustic monophonic instrument through a microphone to get MIDI output.
http://www.musebook.com/?page=mbmidimic

Click and Convert
Converts music files between WMA, MP3, WAV, WMA, etc. for CD burning or online sharing. Also supports CD ripping.
http://www.iburn.net/wma-to-mp3.html

MM-EDL
Audio project file format (EDL / ADL) converter. This utility facilitates fast import and export of the most common professional audio project formats.
http://www.mm-edl.com/

Smart Score
Converts printed sheet music into multi-track MIDI files. Handles virtually any type of score, 90-98% accuracy. TWAIN compatible.
http://www.musitek.com/

Easy Hi-Q Converter
Converts multiple audio file types at once, formats include MP3, WMA 9, WAV, Ogg, MP2, ADPCM, GSM 6.10, DSP, VOX.
http://www.roemersoftware.com/moreinfo6.html

Ufony
For managing, playing, and converting. Batch support.
http://www.softe.net

MedianSoft Batch Converter
Converts between audio formats WAV, MP3, WMA, AAC, and Ogg Vorbis. Also extracts audio from video files.
http://www.mediansoft.com

Acez MP3 WAV Converter
Converts between MP3 and WAV files. Includes audio player and allows batch conversion.
http://www.acezsoft.com

MidiSqueezer
Removes unnecessary contents from MIDI files for use as mobile phone ringtones.
http://www.cellspark.com/MidiSqueezer.html

AnMing MP3 CD Burner
Burns custom music CDs from a set of MP3 files.
http://www.ddz1977.com

Sagasoft
Audio and video conversion and ripping tools.
http://www.sagasoft.net

MidiCutter
Cuts a ringtone from any midi file.
http://www.cellspark.com/MidiCutter.html

LoopSoft
Offers MIDI to MP3, WAV, or Ogg.
http://loopsoftusa.com/

AudioAlchemy
Converts audio files to MP3, WAV, WMA, and OGG formats.
http://www.convertmusic.com

AudioCommander
Command-line and interface converter for over a dozen audio formats.
http://www.mystikmedia.com/audiocommander.asp

MidiJoiner
Chains together MIDI and KAR files into a single file.
http://www.cellspark.com/MidiJoiner.html

Composer for Ring Tone
Software utility for conversion of MIDI files, RTTTL and melodies to various brands of mobile phone ringtone format.
http://www.ringtone-composer.com/

AVConverter
Extracts audio from video and converts audio to WAV, MP3, WMA, OGG, and AVI formats.
http://www.avconverter.com

MP3Resizer
Optimizes the capacity of MP3 players by reducing the size of MP3 files.
http://www.skyshape.com/mp3resizer.html

Total Audio Converter
Converts audio files to another size/type, changes bitrate or frequency.
http://www.coolutils.com/TotalAudioConverter

MediaTwins
WMA, AC3, and Ogg encoding/decoding tools
http://www.mediatwins.com/

CD and multimedia files converter utilities
Utilities to convert music CDs and multimedia files to MP3, WAV, or Windows Media formats
http://www.wav-mp3-converter.us

Best MIDI to MP3
Converts batches of MIDI files to WAVE or MP3.
http://www.bestmidi2mp3.com

Auvisoft Audio Converter
Converts between audio formats AAC, ADPCM, AC-3, GSM, MP3, OGG, VOX, WAV, and WMA.
http://auvisoft.com

DJ ToneXpress
Converts sound files into ringtones.
http://www.djtonexpress.com

Audio Tools Factory
MP3 Cutter Joiner, CD To MP3 WAV Maker, WAV MP3 Converter, MP3 RM Converter, Video To Audio converter, and Audio Tag Editor.
http://www.audiotoolsfactory.com

WMA Tools
Super CD to WMA Maker, Super MP3 WMA Converter, Super WMA Cutter Joiner, and Super Video to WMA Converter.
http://www.wmatool.com

Joy RingTone Converter
Converts MP3, WAV, and CD tracks to MMF, AMR, AAC, 3GP and MP4 ringtones.
http://www.joyringtone.com

The Ringtone Maker
Crops and converts audio files to ringtones.
http://www.theringtonemaker.com

Crystal Software
MP3 and video conversion tools.
http://www.cd-to-mp3-converter.com

TextAloud
Converts text into voice and even to MP3. Listen to email, web pages, and documents.
http://www.nextup.com/TextAloud/

Convert to Ringtone Wizard
Converts music files to WAV, MP3, MMF, AMR ringtones and sends them to mobile phones.
http://www.music-converters.com

M2Convert
Converts video and audio files to iPod and PSP formats.
http://www.m2solutionsinc.com

Midi Black Box
Automatically convert midi and karaoke files in Standard MIDI Files (SMF) with optimization in the specifications of formats XG and XF.
http://dksoft.free.fr/mbbxg/main.htm

Xingtone.com
Software to convert sound files into ringtones. [Windows]
http://www.xingtone.com