Sources for freeware Fortran compiler from GNU:
    f2c : netlib.bell-labs.com [204.178.16.2], in directory /netlib/f2c/
    
    GNU Fortran (g77) : ftp://ftp.gnu.org/pub/gnu
                        ftp://prep.ai.mit.edu/pub/gnu/g77.0.5.21.tar.gz 
                         
Interesting answer:
   Jeff Brody <jeff@octopus.wr.usgs.gov> 
 
       * Fortran (`g77')   *Also see ``Forthcoming GNUs''*   (BinCD, SrcCD) 
        
        GNU Fortran (`g77'), developed by Craig Burley, is available for public
        beta testing on the Internet.  For now, `g77' produces code that is
        mostly object-compatible with `f2c' & uses the same run-time library
        (`libf2c'). 
Thanks to:
    
	Benjamin Cline <benji@hnt.com>
	chris@loon.Canada.Sun.COM
	"Christopher M. Conway" <cmconwa@sandia.gov>
	nadya@bog (Nadya Williams)
	Rich Kulawiec <rsk@itw.com>
	"Raymond F. Rodebaugh" <ray@therad.rpslmc.edu> 
	Stephen Harris <sweh@mpn.com> 
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     foster@bial1.ucsd.edu  Department of Psychiatry
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