[ValentineC]

Are they published somewhere on https://github.com/Automattic?

[withinboredom]

No, it all predates git/Github: https://code.svn.wordpress.org/servermattic/README

If you go up a few levels you can find more interesting things as well...

Someone wrote an good tutorial on using it here: https://codeseekah.com/2012/03/19/cross-server-deployment-wi...