We do a diagramming library. Try http://www.draw.io http://www.draw.io in IE 6 and 10, I suspect you won't notice the difference. Fully supporting IE 6 doesn't

We do a diagramming library. Try http://www.draw.io http://www.draw.io in IE 6 and 10, I suspect you won't notice the difference. Fully supporting IE 6 doesn't constrain you at all with the modern browsers, we take full advantage of the recent stuff. We basically have 2 codebases wrapped up behind a single API.