system dynamic

Loopy
https://ncase.me/loopy/v1.1/

What is the best tool for system dynamics modeling?
https://www.researchgate.net/post/What_is_the_best_tool_for_system_dynamics_modeling

Vensim
https://vensim.com/free-download/#download


https://www.systemdynamics.org/

Insightmaker
https://insightmaker.com/


https://www.youtube.com/watch?v=C051yl9AMNY&list=PLOzRYVm0a65fFQDTWYF4hzo6be81blfHo&index=3