Source code of OpenUAT is publicly available at the git repository. The full repository can be cloned anonymously via HTTP:
git clone https://github.com/mobilesec/openuat.git
Registered developers can clone the repository via SSH after their respective public keys were registered to be able to push to the main repository:
git clone git@github.com:mobilesec/openuat.git
Note for Windows users: MsysGit works in combination with plink.exe from Putty (and therefore with SSH agent authentication), but set-up is slightly involved: