Open Source Unix Shell Software Distribution Software

pofig - portable shell script for probing base system properties: OS, OS version, kernel version, distro, distro version, architecture. It detects: 19 operating systems, 11 major linux distros, 13 CPU types. See wiki for more information and examples.

RPM Package Manager (RPM) is a powerful package management system capable of installing, uninstalling, verifying, querying, and updating software packages. This is a port of the RPM software, including rpmbuild and yum/APT-RPM, to Darwin and Mac OS X

The XPS is a scalable platform for meta-programming and domain engineering. It provides a virtual machine, compiler, and runtime library that make it possible to efficiently develop, debug, and run programs based on XPL (eXtensible Programming Language)

cmdok checks that specified commands are OK. If command is OK than it exists in PATH and can be run. It is a simple, small and portable Bash script. It is useful in software packages that want to check that some commands exist before trying to run them. See wiki for more information and examples.

Easy bootstrap "Gentoo Prefix" for several unix-like operating systems (Solaris, Linux, AIX, HP-UX, Interix, ...)