PaintCode (https://www.paintcodeapp.com/ https://www.paintcodeapp.com/) is a drawing app that shares a few of the features of this tool. Particularly the variab

PaintCode (https://www.paintcodeapp.com/ https://www.paintcodeapp.com/) is a drawing app that shares a few of the features of this tool. Particularly the variables and expressions feature (https://www.paintcodeapp.com/documentation/using-variables https://www.paintcodeapp.com/documentation/using-variables).