ReMoot is a command wrapper for many multimedia programs running on GNU/Linux systems and possibly other *nixes. With ReMoot, the user can have the SAME keys of the keyboard working across all these programs or turn surfing handhelds into remote controls
Ruby-Newton is a Ruby wrapper for the NewtonGameDynamics physics engine ( http://newtondynamics.com/ ) It brings object-oriented real-time animated physics simulations to Ruby-enabled applications (e.g. 3D modeling tool with interactive scripting support