When comparing n3-charts vs d3fc, the Slant community recommends d3fc for most people. In the question“What are the best open source JavaScript charting libraries?” d3fc is ranked 11th while n3-charts is ranked 12th. The most important reason people chose d3fc is:
d3fc is built using the latest D3v4, and has the same modular architecture. It is currently made up of 17 sub-projects.
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Pros
Pro Beautiful
n3-charts is SVG powered and crafted with a great attention to detail.
Pro Well tested
95% test coverage, plus end-to-end tests.
Pro Easy to use
If you're using AngularJS, then you're two steps away from having beautiful charts.
n3-charts is simple to set up and use, with plenty of examples to help get you started.
Pro Built using D3v4
d3fc is built using the latest D3v4, and has the same modular architecture. It is currently made up of 17 sub-projects.
Pro Complements and extends D3
d3fc provides a number of higher-order D3 components that make it easier to build charts. With d3fc you can create series, annotations, samplers and layouts using the familiar D3 data-join pattern.
Cons
Con Only for use with Angular.js
n3-charts is built on top of Angular, making it only suitable for those who want to add charts to their Angular application.