El Grapho is a high performance graph data visualization engine. It was built purely for high performance graph visualizations with custom shaders. It can support over 50M nodes and edges.

Originally I was going to try and make a new data visualization company based on the technology, but I wasn't able to find a business model that would be profitable, nor enough customers who would pay for it. So I ended up just open sourcing it.

It was featured on Hacker News and has 1.7k stars

Hacker News link: https://news.ycombinator.com/item?id=19598372

Github project: https://github.com/ericdrowell/ElGrapho

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