To get the source code for DoubleCommand, use git like so:
git clone git://github.com/mbaltaks/doublecommand.git
For a particular version, use tags like this once you have cloned the code:
git checkout Release-1.6.1
Or browse the source code using the web interface.
DoubleCommand is software for Mac OS X (a kernel extension) that lets you remap keys, in other words change the way your keyboard works. Often used to make a PC keyboard more comfortable with a Mac, swapping the Alt (Option) and Windows (Command or Apple) keys, since they are in swapped positions on Mac and PC keyboards. DoubleCommand is a quick and easy way to fix this if you use a PC keyboard with your Mac.
Features