Can you imagine a dashboard without any charts and graphs? After all, they present statistics effectively and also, a good graph enhances the overall design of any website.
Granted, most of the libraries are free as well as open source, while among them, some are known to offer a paid version which offers additional features.
Coming with many customization options, Google charts is preferred by many due to its easy interface. With Google charts, you can literally create anything that you can think of – pie charts, bar charts, area charts, and many more.
With Google charts, you can change the entire look of your chart at one go, and since the charts are rendered using SVG/HTML5 and as such, provides cross-platform portability and cross-browser compatibility to all devices – Android, iPads, and iPhones.
The good news is that Google charts also include VML which supports older versions of Internet Explorer.
The best part is that ZingChart is free to use, but it does provide licenses and that you can buy based on the size of your business.
EJSCharts offers both free and paid versions. The paid version will offer you a whole lot of options while the free version will allow you to use a maximum of 1 chart per page with 2 series per chart.
When it comes to the creation of beautiful charts, D3.js is the first name that comes to the mind. Known to be an open-source project, the charts in D3.js are rendered using the HTML, CSS, and SVG and brings with it many powerful features which were previously missing from many existing libraries.
However, one thing which needs to be kept in mind is that D3.js doesn’t work well with older browsers, namely IE8.
One of the most beautiful open-source JavaSript libraries, ChartJS comes with various core charts such as radar line, polar area, bar, doughnut, and core. As this is not enough, ChartJS also supports older browsers such as IE7/8.
One thing, that needs to be kept in mind is that Chartist.js provides animations, though they will only work in modern browsers.
Like many other charting libraries, ChartKick also uses SVG to render charts.