Freeware : MIDI utility for Mac

All Mac Win Always In Key by Xmidi            Select a musical key and restrict the MIDI output to only notes in that key   Aurora by Ixi Software            visual MIDI controler   BodIT by Will Stewart            An editor/librarian for the Line 6 Bass PodXT Live.   controlAid by Charlie roberts            MIDI utility for live performances   EZplayer Free by Toontrack            MIDI bridge between different drum sampler formats AU, RTAS, VST  FingaMIDI by Fingamidi            MIDI controller trackpad driver for PowerBook and iBook   iMIDI by Granted Software            MIDI over Ethernet   Max Magic Microtuner by Max Magic Microtuner            Alternate tunings editor   MIDI Builder by Useful Software            Creation of MIDI Files   MIDI Harmonizer by Denis Queffeulou            MIDI harmonizer   MIDI Monitor by Snoize            MIDI Utility   MIDI Patchbay by Pete Yandell            Route MIDI Data With Filter   MidiBridge9X by TroikaTronix            MIDI communication between classic and OS X   MidiClock by Granted Software            MIDI Clock Pulses for Synchronizing   MidiKeys by Creed            Virtual MIDI Keyboard   Midimouse by Zeichensprecher            MIDI control with mouse   MidiPipe by SubtleSoft            Modifies MIDI Messages In Real Time   midiStroke by Charlie roberts            trigger keystrokes using MIDI   Plum Stone by Bob Lang            provides JAVA MIDI compatibilty   q-tool by BoomBuzzSoftware            Quantize template generator   RandomMIDI by Useful Software            Utility MIDI   Runloader by Jankenpopp            Amazing Videogame / midi interface   SMPTE Reader by Nobusiness-soft            SMPTE to MIDI Timecode converter   TestVirtualTools by Creed            Test your MIDI Apps   Transposon by J Schrier            MIDI Utility to Transpose in Realtime   v.m.k by Fredrik Olofsson            Virtual MIDI Keyboard   X-Spat Controller by A&G            Controller software for A&G X-Spat DSP Expansions