AML is an implementation of a basic register machine coded in C++. It provides all of the rudimentary features of any machine language like basic I/O and arithmetic but provides a very easy syntax and its own portable binary compression scheme for storing files. AML is currently distributed on SunOS 5.5, Linux 2.2, and Win32 console.
ProjectCenter is GNUstep's integrated development environment (IDE). It assists you in starting new projects and lets you manage your project files using a intuitive and well ordered graphical user interface. ProjectCenter automatically creates the project makefiles and aids you in the process of editing, project compilation, package building, and debugging.
The Quick C-- compiler is an experimental implementation of the C-- language. C-- is intended to be a "portable assembly language" that can be used as a target language by compiler writers. C-- features a simple C-like core and support for garbage collection and exception handling.