Guitar Pro 7 - Create, play and share your tabs
ChordIQ - Learn notes, chords, sight reading, perfect pitch and more.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
ChordPic - Create beautiful guitar chord diagrams
OpenMPT - OpenMPT is a popular tracker software for Windows.
Hyperlax - Sit back. Relax. Explore faraway places. Enjoy the music.