A free download of the model system GRAL is offered on this website. However no warranty on completeness, correctness and ability for a certain purpose of the data is taken over. The user bears the full risk of the correct application.
To download the software you need to provide some basic data and register here.
NOTE: As of November 2022, we have a new website and if you had an account on the old website, you will now need to create a new account!