loopMIDI

loopMIDI screenshots

It's a neat virtual loopback MIDI cable for Windows
The Tray Menu
loopMIDI 1.0 : The Tray Menu

Alternative downloads

VirtualBox
6.0.4
FREE
Run multiple operating systems inside your Windows PC.
Virtual Midi Controller 3 LE
1.0
FREE
Use the computer keyboard to play midi notes & events.
Parallels Desktop
4.0.6630
Simultaneously run multiple operating systems.