DRAKON seems like almost the perfect embeddable visual scripting language aside from one detail. I looked into some of their visual aspects when I was doing if

DRAKON seems like almost the perfect embeddable visual scripting language aside from one detail. I looked into some of their visual aspects when I was doing if this then that rules embedding, but I ended up deciding left to right was more appropriate for something likely to have many short separate flows that fit on a screen. Other than that, it's just so many light hears beyond regular flowcharts in terms of aesthetics and readability.