Pyexpander is a powerful macro processor based on python. Instead of simple macro replacement it offers evaluation of arbitrary python expressions and execution of python code. Pyexpander is Turing Complete.
An extensible configuration and build system for complex projects.
XCDL is an extensible Component Definition Language (CDL) used to configure and build complex, multi-variant embedded projects. It is inspired by eCos CDL.
TimeSys DistBuilder is a system for building custom embedded Linux distributions, including both host and target components. It is particularly good at deriving one distro from another.