CUT is a unit-testing framework for C, C++, and Objective-C. Unlike other unit testing tools, CUT doesn't strive to be an SUnit clone. It automates a lot of the drudge work often encountered when using other unit testing packages for the C family of programming languages. CUT may also be used to unit-test assembly language software in some circumstances.
Nullsoft Scriptable Install System is a tool for creating quick and user-friendly installers for Microsoft Windows operating systems. It is a script-based system that adds a very small overhead, only 34 KB. It features LZMA compression, support for multiple languages, and an easy-to-use plugins system
mkconfig is a build configuration utility. It creates an output file intended to be included as a header file, run as a shell script, used as a configuration file, or any other use. mkconfig is written in portable shell script and designed to be extensible for any configuration use.