Set of MODULES by Alberto Ramos containing definitions of Fourier series and polynomials and able to perform linear (multi-)dimensional fittings, compute integrals, sort data, compute roots of functions, and perform other numerical tasks.

Download the library which incorporates BLAS, LAPACK and FFT routines.

A high quality "building block" routines for performing basic vector and matrix operations. Level 1 BLAS do vector-vector operations, Level 2 BLAS do matrix-vector operations, and Level 3 BLAS do matrix-matrix operations.

Algorithms for solving large linear systems, optimal control problems, and other topics.

Digital signal processing programs written in Fortran. It includes subroutines for FIR and IIR filter design, FFT routines, and various other programs for signal processing.

Set of simple procedures by Gary Scott for interfacing with the console window on Windows from Fortran.

Portable, object-based Fortran interface to the GNU scientific library, a collection of numerical routines for scientific computing. The package is licensed under the GPL.

Fortran modules by Arjen Markus to interface with C libraries, manipulate strings, write CSV files, manipulate file and directory names, implement abstract data types and structures, do automatic differentiation, and perform other tasks.

Interactive GUI builder and Fortran subroutine toolkit for developing GUI applications under Windows.

A Fortran 77 library.