…how you can fill a museum in a minute! 
Be patient for the new version the creator makes some musics for the moment! 
With Verve of course and Sketchup 2015 MAKE! (all is free) 

…how you can fill a museum in a minute! 
Be patient for the new version the creator makes some musics for the moment! 
With Verve of course and Sketchup 2015 MAKE! (all is free) 

This free Nodes system works in a HTML5 Canvas and allow to export graphs to be included in applications.
http://www.floodeditor.com Parametric Solid modeler Online! 
http://www.nodebox.net/ Cross-platform, node-based GUI for efficient data visualizations and generative design.
http://www.mattkeeter.com/projects/antimony/3/
[video=vimeo;125111378]https://vimeo.com/125111378[/video]
The free stuff you’re talking about, I still do not know its effects apply to any or all issues that matter!