AudioRetoucher - AudioRetoucher is a tool for analyzing music, changing tempo and pitch in real time
Cubase - Cubase is one of the world’s most powerful music creation software packages. From first idea to finished recording, Cubase helps you to make outstanding music.
Chordify - Chordify turns any music or song (YouTube, Deezer, SoundCloud, MP3) into chords.
Studio One - Studio One raises the bar for music production software. Developed by PreSonus, this platform has been used by both professional and amateur artists to make live and studio recordings.
Guitaa.com - Turn ANY song into chords, play along with interactive chords and diagram, transpose, loop, tempo control.
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.