Gfortran
From Rosetta Code
Gfortran is an implementation of Fortran.
Other implementations of Fortran.
Gfortran is part of GNU Compiler Collection. You may find other members of GNU Compiler Collection at Category:GNU Compiler Collection.
The gfortran is the GNU Fortran compiler with the ISO Fortran 95 compliance in mind (but it has something of Fortran 2003 too)

