Audiveris - Audiveris is an open-source Optical Music Recognition software which processes the image of a music...
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
Neuratron AudioScore - Polyphonic Music Recognition Software. Neuratron AudioScore Ultimate music transcription software.
SoundGrail - SoundGrail Music App designed for pianists, guitarists, and DJs.
Transcribe - An online app that reduces the pain of converting audio & video to text. Saves thousands of hours every month for journalists, lawyers, students and professional transcriptionists all over the world, including researchers in Antarctica.
keezy - A colorful soundboard. Play with music.