We&#x27;re working on a fairly different model at <a href="https:&#x2F;&#x2F;rundexter.com" rel="nofollow">https:&#x2F;&#x2F;rundexter.com</a> - right now it&#x27;s a bit light on the programming constructs (we only have a switch statement and a very primitive loop), but very strong on data flow and data binding.  If you don&#x27;t want to sign up, you can see the basics in use at 0:45 of the homepage video.  We looked at things like Snap and Blockly early on and agreed that they weren&#x27;t satisfactory.