Very simple MIDI Player of JSON files
Multiplatform MIDI File Player for Linux, Windows, and macOS
audio sequencer
Multiplatform karaoke player
Featureful native Commodore 64 music tracker with MIDI/XM converter
Boost your Piano playing skills
Play midi files via external midi devices or soft synth.
Jave MIDI SWING MusicXML
VST Plugins and loop player mixer
Give the chord progression and a style and jchordbox generates a song.