I've evaluated Light Table a couple of weeks ago and wasn't really happy with it (it's a lot better than Facebook's hot code swapping lib though). I don't need

I've evaluated Light Table a couple of weeks ago and wasn't really happy with it (it's a lot better than Facebook's hot code swapping lib though). I don't need React or any of that stuff (I don't mind writing plain HTML5, ES5, and CSS3). I just want to do graphics programming in real time. Is there anything besides Shadertoy I should be looking at?