Freshmeat page: http://freshmeat.net/projects/libruin/
libRUIN (Renderer for User Interfaces in Ncurses) is a rendering library for various XML-based user interface markup languages (such as Mozilla XUL), using the Ncurses terminal control library as a rendering target. GNU Guile and the SDOM Scheme module are used as the "glue" that manages user input and event handling (as such, event handlers must currently be written in Guile Scheme; support for ECMAscript event handlers is being considered for inclusion). An application programmer passes an XML document (including, potentially, a set of CSS stylesheets) and an Ncurses WINDOW structure, and libRUIN paints the WINDOW according to the markup and CSS; the programmer may subsequently pass Ncurses-style input strings to that WINDOW via libRUIN, and libRUIN will handle the resulting event flows.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!