On Screen Keyboard for OS X - Part 1

Have you ever wished you could have a MIDI controller keyboard on the screen that you could play using the mouse or QWERTY keyboard? No, me neither, but it's a useful debugging tool and a perfect complement to this.

Note that this application has been updated for more recent versions of OS X - see here for the updated project.

I'll discuss its inner workings in future posts, but for now here's the source code:

XCode 3.2 Project (MediaFire download)

Have fun.