Fresco (formerly Berlin) is an experimental windowing system which is a logical extension of the integrated layout and structured graphics model developed in InterViews and the original Fresco project. It makes heavy use of CORBA for transparent inter-process control, and utilizes a loadable module framework to maintain good drawing speed and extensive customizabillity.
Synopsis is a multi-language source code introspection tool that provides a variety of representations for the parsed code to enable further processing such as documentation extraction, reverse engineering, and source-to-source translation. It provides a framework of C++ and Python APIs to access these representations and allows Processor objects to be defined and composed into processing pipelines, making this framework very flexible and extensible.
xmlroff is a fast, multilingual, multi-platform XSL formatter that transforms XSL-FO documents (or any XML with an appropriate XSL stylesheet) into PDF or PostScript. It aims to excel at DocBook formatting, and it integrates easily with other programs and with scripting languages.