A nice example of how Pharo can be used for domain-specific modeling and simulation. Short session from one of our projects at Rochelle:
https://www.youtube.com/watch?v=Z7wJNhAIaVQ
Some additional info here: https://goo.gl/jS4NjB
Currently investigating how to incorporate the new Bloc based widgets of @feenkcom into the workflow.
Cheers,
Nick