Library for handling structured-text configuration files
A getopt inspired unit for DOS Borland Pascal compilers and FPC.
Portable command line options parsing
A port of WFOPT to the several scripting languages
A port of WFOPT to the .NET Runtime
Java bindings for the Wheefun Options Parsing Library
argp for bash (wrapper for getopt)
A simple, elegant way to handle command line arguments in C/C++.
A wide character version of getopt()