AnthemScore - Convert wav and mp3 to sheet music.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Finale PrintMusic - PrintMusic is a music notation software from Finale for those people who are beginners and don’t want a high-end interface for music notation.
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.
TwelveKeys - TwelveKeys is a music transcription software by NHC which transcripts the music file with a visual representation of notes.
Finale - Finale, the world standard for music notation software, lets you compose, arrange, notate, and print engraver-quality sheet music.