The Oculus Layout System supplies a Java layout API, and an easy-to-use visual builder, which works with both Swing and AWT. Main features include a proprietary stretching model, which enables the system to automatically infer how to properly stretch almost any user interface, and a cursor-based layout paradigm which dramatically improves the readability and maintainability of the layout code.
Steph is a portable C library for text mode windows, menus, dialogs, etc. The interface with the underlying system is provided by a separate library, so to port to a new system, only the interface library needs to be rewritten. Interface libraries are provided for Unix/Curses and IBM PC compatibles running DOS.
DogPerl is an offline Perl/Tk widget documentation resource. It includes an adjustable interface. Since it is a reference to detailed information about Tk widgets as they can be used in Perl, the program does not do much. It is an encyclopedia for Tk within Perl. However, font color, size, face, and style can be customized easily. Page background color, border size, and paragraph spacing are also customizable. The program illustrates the use of Perl/Tk.
xdelimitarea is an X Windows program that provides a non-intrusive way of finding out the location (with respect to the root window) and dimensions of an arbitrary rectangular area on a computer screen. This tool might be helpful for GUI or Web designers who are concerned with layout issues.