Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
NtEd - Music Score Notation editor.
JJazzLab - Fed up with boring backing tracks ? Try JJazzLab!
DaCapo Editor - DaCapo Editor is a free Open Source music sheet editor which allows to easily create nice looking partitions. It is available as a web application as well as a desktop application for Windows, MacOS and Linux.
Guitar Pro 7 - Create, play and share your tabs
Band-in-a-Box - Band-in-a-Box is so easy to use!