Helio, free and cross-platform lightweight music sequencer

Advanced Gtk+ Sequencer

Portable Impulse Tracker clone

Modern music production and performance

Digital Audio Workstation

Fast Tracker II inspired music tracker

Perform live DJ mixes

Create, play and print beautiful sheet music

Stochas sequencer

MIDI Sequencer and Notation Editor with Audio Support

An Audio/MIDI multi-track sequencer

FamiStudio NES Music Editor

Digital Audio Workstation for prototyping