Neuratron AudioScore!

Audiveris is an open-source Optical Music Recognition software which processes the image of a music sheet to automatically provide symbolic music information in MusicXML standard. This opens the door to many tools (score editor, MIDI sequencer, ...) which can use this symbolic data for such tasks as edit, play, print, re-publish, transpose, query, etc.

Free WAV to MIDI converter for music transcription. AmazingMIDI automatically transcribes music, converting WAV files into MIDI files. It can recognize single-instrument polyphonic music. It's a powerful tool to help you to transcribe music, to practice musical instruments and to make MIDI files, and so on.

WIDI Recognition System is a complete solution for automated and computer assisted music transcription. WIDI takes musical audio in mp3, wave, CD-Track or other formats as input and produces scores as output. The result scores can be saved as MIDI sequences. WIDI can be useful for amateur and professional musicians, musical teachers, musical archive maintainers and anybody who is interested in making or analyzing music. WIDI Recognition System is available in several editions:

AnthemScore creates sheet music automatically from audio files. A hi-resolution spectrogram and virtual keyboard help you fill in the gaps for difficult music. A 30 day free trial is available.