Could take a look at ladder programming/diagrams that electrical engineers use for PLC programming. Works well enough for a lot of people there. Personally I

Could take a look at ladder programming/diagrams that electrical engineers use for PLC programming. Works well enough for a lot of people there. Personally I think something technical turns to spaghetti far faster than text(from looking at such systems). The editors are also severely locked down with DRM (software you can usually choose to shove raw text files into the compiler if you want to).