All the METASIM source code is free and opensource.
Feel free to get, explore, use, modify and distribute the code!
The METASIM source code can be cloned from the main repository
$ git clone git@github.com:ReTiS-Lab/RTSIM
You can also directly download the latest master.zip source of RTSIM.
$ wget https://github.com/ReTiS-Lab/RTSIM/archive/master.zip -O RTSIM-master.zip