SPheno (why not original hepforge repo public...?) Authors W. Porod and F. Staub References Comput. Phys. Commun. 153 (2003) 275 [hep-ph/0301101]. Comput. Phys. Commun. 183 (2012) 2458 [1104.1573]. https://spheno.hepforge.org/