It may also be worth reaching out to the JuliaHub folks - cloud access to freemium Julia modeling tools is the whole point of the platform. Everything built there to date is based on the DiffEq.jl ecosystem, but there’s nothing to say you couldn’t have a fancy web GUI for GenX/Sienna hosted there
Comments
https://colab.research.google.com/drive/1_7KhAQtPsgBzGjQNFuPNftvNAw9FCMUF?usp=sharing
https://github.com/odellus/colab/blob/main/GenX_Colab_Notebook.ipynb