It would be great to know how Hash compares to other free or open-source simulation tools, like NetLogo, OpenModelica, SimPy or SimJS, in terms of features and licensing.

What is Hash's business model in relation to its free tooling?

https://openmodelica.org/

https://ccl.northwestern.edu/netlogo/

https://simpy.readthedocs.io/en/latest/

http://simjs.com/