It would be good to gracefully handle large graphs. I typed in "torvalds/linux" and my tab froze!
Here's what torvalds/linux looks like on the visualizer (pretty cool!): https://imgur.com/a/AHNcn
Here's a recording of the linux repo being parsed by gource. https://www.youtube.com/watch?v=5iFnzr73XXk
Here's what torvalds/linux looks like on the visualizer (pretty cool!): https://imgur.com/a/AHNcn