G95 is a stable, production Fortran 95 compiler available for multiple
CPU architectures and operating systems. Innovations and optimizations
continue to be worked on. Parts of the F2003 standard have been
implemented in g95. Note that g95 and gfortran are different compiler
http://gcc.gnu.org/wiki/TheOtherGCCBasedFortranCompiler
.

WWW: http://www.g95.org/