A self-contained and portable build system derived from the traditional 4.4BSD system. It implements Bourne configure script generation, concurrent building and it can compile IDE project files. It is portable to most operating systems and make flavors.
Pattern Builder is an object modelling and code generation tool for Mac OS X developers. It can model and generate the class files for complete Objective-C/Cocoa applications, with Interface Builder outlets and actions, which can then be built in Xcode.