MuseScore.org - Create, play back and print beautiful sheet music with free and easy to use music notation software MuseScore. For Windows, Mac and Linux.
Neuratron AudioScore - Polyphonic Music Recognition Software. Neuratron AudioScore Ultimate music transcription software.
StaffPad - Write music naturally on your Windows Surface Tablet.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
AnthemScore - Convert wav and mp3 to sheet music.
Dorico - Dorico redefines the gold standard in scoring software.