Written by Alberto Garcia in the F subset of Fortran 95, freely available under the BSD license.

Shareware by Stephen Kirkup.

Geometric Software   (by Kokichi Sugihara) for Voronoi diagrams in 2D and 3D, and convex hulls in 3D and 4D.

Translations of Fortran 77 packages Lapack, Linpack, Eispack, Quadpack, and others. Code for graphics, finite elements, random number generation, and other topics.

Collection of Fortran 77 routines that address many traditional areas of mathematical software, including approximation, ordinary and partial differential equations, linear algebra and eigensystems, optimization, quadrature, root finding, special func...

Keyed file shareware in Fortran 90 and 77, Fortran 90 interface to the X Window system.

Programs for aeronautical engineering, many from NASA or USAF, complete with public domain source code, instructions and sample cases on CD-ROM. [Commercial]

Examples of the F (Fortran 95 subset) language, by Harvey Gould.

Fast Fourier Transforms and Silicon interatomic potentials.

XFT (eXtended Fortran Types) is a set of Fortran modules which wrap some Win32 APIs, the Dialog Management section has an enhanced DFLOGM module from CVF 6 and the Win32 Headers section has translations of some C header files that were not (yet?) inco...