Aria Maestosa 1.0b1 (by ariamaestosa project)
Aria Maestosa is an open-source (GPL) midi tracker/editor.

Aria Maestosa 1.0b1 (by ariamaestosa project)
Aria Maestosa is an open-source (GPL) midi tracker/editor.

Midi Grasshopper 5.4 (by Thinking Cap)
Midi Grasshopper is a MIDI sequencing application.

MU MIDI Controller 2.6 (by Dramatica Software)
Music Unfolding MIDI Controller is a software MIDI controller.

MidiSwing 0.3.1b (by Pascal Naidon)
MidiSwing is a little midi sequencer.

Easy Beat 2.2.1 (by Macility)
Easy Beat is a music authoring program that uses the QuickTime Music Architecture (QTMA) to play songs.

CO2 MIDI Launcher 1.0 (by DIYStompboxes)
CO2 MIDI Launcher allows you to put applications, documents, folders, scripts and more under MIDI program change control.

Rax 2.0.2 (by Plasq)
Rax turns your Mac into a virtual rig for live performance, slaving instruments and effects from another app or offloading DSP to a second computer.

RS-16X 1.4.2 (by Seishu)
A Sequence & Song style standalone drum machine program for Macintosh platform.

Solo Performer Show Controller 3.4 (by Alien Apparatus Company)
Solo Performer Show Controller is a complete system for controlling the show for solo musicians.

Sweet MIDI Player 2.2.5 (by Roni Music)
Sweet MIDI Player is a MIDI player for not only auditioning all types of MIDI files, but for modifying the MIDI files themselves.

SlimServer 6.5.0 (by Slim Devices, Inc.)
Slim Devices introduces SlimServer 6.

NoteAbilityPro 2.319 (by Keith Hamel)
NoteAbility Pro is a professional music notation package for the Macintosh OS-X operating system.

netTunes 2.3.1 (by Shirt Pocket)
netTunes lets you control iTunes running on one Macintosh from another, using iTunes' native interface.

v.m.k 1.6 (by Fredrik Olofsson Musikproduktion)
This application lets you simulate a midi keyboard on your computer keyboard.

Audio Hijack 2.2.5 (by Rogue Amoeba)
Audio Hijack gives all your audio that extra bit of sweetness.