Fast Tracker II inspired music tracker

Advanced Gtk+ Sequencer

MIDI Sequencer and Notation Editor with Audio Support

Perform live DJ mixes

Create, play and print beautiful sheet music

Digital Audio Workstation

Digital Audio Workstation for prototyping

Portable Impulse Tracker clone

Modern music production and performance

An Audio/MIDI multi-track sequencer

FamiStudio NES Music Editor

Stochas sequencer

Helio, free and cross-platform lightweight music sequencer