|DOS||BC Fortran||Free||Fortran 77 Compiler for MS DOS (SIMTEL)|
|Absoft Fortran||USD 899||We could not find a free compiler for MacOS 7-9|
|GNU Fortran (g77)||Free||
We have started using this compiler for our own programs, and the results are very satisfying.
We recommend the use of fink to install it (as well as any Unix software for MacOS X).
|Unix||GNU Fortran (g77)||Free||Most Unix implementations already have a Fortran compiler installed, called f77 or g77|
|Win32||GNU Fortran (g77) for Win32||Free||This is the compiler we use to generate 32-bit DOS executables, and we have a fairly good deal of experience with it.|
|FTN77pe||Free||Fortran 77 Compiler from Salford Software (free for non-commercial use only)|