For now, and for almost free I would suggest Cawemo by Camunda.  It’s collaborative, with a shared workspace and enables a bit of data definition.   If your good work is going to end up being used to configure automation tools then I would encourage you to invest some…

I think you may need to be a bit more explicit as too “what” is the “top layer” and “how” do you wish to “connect” and “why” Anything is possible from a modelling point of view, less so if you plan to generate the processes from the architecture.  Just about every…

Rich and realistic simulations are both fun to watch and can be most informative.  Unfortunately, they are difficult to overlay on a vanilla-flavoured BPMN diagram model.  Simulations need much more context and data than produced by Blueworks or BPMN, to be realistic or…

* BPMN.IO would be a good start for a small team … 😎