Software repositories

- Netlib
- Alan Miller
- H. D. Knoble‘s Collection of Fortran Algorithms and Techniques
- John Burkardt
- Milan Curcic Companion code for Modern Fortran: Building Efficient Parallel Applications
- StatLib statistical library
- TOMS
- GAMS–NIST Guide to Available Math Software
- David Duffy - statistics and genetics codes, interfaces to curses and zlib, embeddable Lisp interpreter as a module.
- Biostatistics software from the University of Texas
- Dan Nagle - portability project, COCO, conversion functions, etc.
- Orderpack Michel Olagnon’s routines for ranking and sorting.
- SOFA library - Patrick Wallace’s library for fundamental astronomy including astrometric and calendrical calculations.
- NSWC Mathematics Subroutine Library
- Lawrie Schonfelder’s routines for variable length character strings and variable precision arithmetic.
- F2003-RAPS Fortran 2003 code examples.
- Crystallography Source Code Museum
- szaghi Fortran Repos some free open source Fortran codes.
- Computer Physics Communications Program Library Over 2100 Fortran programs published in the journal
*Computer Physics Communications* - GPF General Purpose Fortran repository. Modules for basic access to POSIX system functions, date and time representation, command argument parsing, Fortran preprocessor/unit tester/code-document integration, … including example programs that exercise the modules.