SongBook - SongBook is a music app that helps you to manage your song collections complete with lyrics and chords.
Guitar Pro 7 - Create, play and share your tabs
Chordbase Lite - Chordbase Lite is a paperless solution for the gigging musicians to display lyrics and chords on mobile devices.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Guitartapp Chord Pro - Guitartapp Chord Pro is the world’s largest and popular music and audio app that allows you to throw away your songbooks and start jamming with this app.
OpenMPT - OpenMPT is a popular tracker software for Windows.