FamiStudio NES Music Editor

Advanced Gtk+ Sequencer

Modern music production and performance

MIDI Sequencer and Notation Editor with Audio Support

Create, play and print beautiful sheet music

Everything you need to perform live DJ mixes

Digital Audio Workstation for prototyping

Portable Impulse Tracker clone

Fast Tracker II inspired music tracker

Helio, free and cross-platform lightweight music sequencer

Digital Audio Workstation

An Audio/MIDI multi-track sequencer

Stochas sequencer