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    This is awesome, but it doesn’t have any algorithms yet. Their client-side stack is described here https://github.com/algomation/apis. The other day I wanted to visualize an algorithm (http://codepen.io/glebm/pen/83967288b0e673d07dc6237379a0c6b8) and hand-coded it with D3, wish I’d known about dagre (https://github.com/cpettitt/dagre).

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      There is also http://sigmajs.org/ for drawing directed graphs.