** The OpenStudio Legacy Plug-in has been relaunch as Euclid by Big Ladder Software, please see the new homepage: http://bigladdersoftware.com/projects/euclid/ **
The Legacy OpenStudio SketchUp Plug-in makes it easy to create and edit the building geometry in your EnergyPlus input files. Note that active development has moved to the more comprehensive OpenStudio suite of tools and libraries at https://www.openstudio.net/.
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