 Rosetta , the software that runs on the Rosetta @ home network , was rewritten in C + + to allow easier development than that offered by its original version , which was written in Fortran . This new version is object @-@ oriented , and was released on February 8 , 2008 . Development of the Rosetta code is done by Rosetta Commons . The software is freely licensed to the academic community and available to pharmaceutical companies for a fee . 
