D3 takes ages to build graphs with. That's why NVD3 made such big news. What you get when you buy a license is support. Which I remember was the main reason we

D3 takes ages to build graphs with. That's why NVD3 made such big news. What you get when you buy a license is support. Which I remember was the main reason we had for not choosing NVD3 last time, and went with a library with much better documentation.