I'm really excited about the look of this. Being a big fan of Mongo et al. for the structurelessness I also sometimes miss the graph-like structure that you can easily create with SQL. Arango looks cool. I shall try it :)
This is awesome. I like the way the vertices are automatically moved in a way such that they do not overlap very much and that the edges are easily visible. It is also good that "similar" vertices are automatically collapsed into a "multi-vertex". I think this is very useful functionality to inspect a big graph locally.