A hybrid system simulation language similar to SHIFT and Lambda-SHIFT, written in Ruby and C. Combines numerical integration, state machines, and the breezy power of Ruby. To install: get ruby and then "gem install redshift".
Ruby Xlib wrap is a set of SWIG interface files for the Ruby programming language
for the Xlib include files X.h, Xlib.h, and Xutil.h. Although they are currently only
useful with Ruby, they would be a good starting point for other bindings.