It is practically impossible to imagine any dashboard without graphs and charts. They present complex statistics quickly and effectively. Additionally, a good graph also enhances the overall design of your website.
While most of the libraries are free and open source, some of them provide a paid version with additional features.
D3.js — Data-Driven Documents
D3.js doesn’t work well with older browsers like IE8. You can always use plugins like aight plugin for cross browser compatibility.
Google charts also comes with various customization options that help in changing the look of the graph. Charts are rendered using HTML5/SVG to provide cross-browser compatibility and cross platform portability to iPhones, iPads, and Android. It also includes VML for supporting older IE versions.
Here’s a great list of examples built using Google charts.
ChartJS provides beautiful flat designs for charts. It uses HTML5 canvas element for rendering. Support for older browsers like IE7/8 is added through polyfill.
ChartJS charts are responsive by default. They work well in mobiles and tablets. With 6 different types of core charts out of the box (core, bar, doughnut, radar, line, and polar area), ChartJS is definitely one of the most impressive open source charting libraries in recent times.
If you are an AngularJS developer, you will definitely find n3-charts extremely useful and interesting. n3-charts is built on top of D3.js and AngularJS. It provides various standard charts in the form of customisable AngularJS directives.
Checkout list of charts built using ns-charts.
Ember Charts is another great open source repository built with D3.js and Ember.js. It provides time series, bar, pie, and scatter charts that are easily customisable. It uses SVG to render charts.
ZingChart offers a flexible, interactive, fast, scalable and modern product for creating charts quickly. Their product is used by companies like Apple, Microsoft, Adobe, Boeing and Walmart, and uses Ajax, JSON, HTML5 to deliver great-looking charts quickly.
Free to try, ZingChart licenses can also be bought at a variety of price-points to suit your business size. Check ZingChart out here.
Highcharts JS is another very popular library for building graphs. It comes loaded with many different types of cool animations that are sufficient to attract many eyeballs to your website. Just like other libraries, Highcharts comes with many pre-built graphs like spline, area, areaspline, column, bar, pie, scatter, etc.
One of the biggest advantages of using Highcharts JS is the compatibility with older browsers like Internet Explorer 6. Standard browsers use SVG for the graphics rendering. In legacy Internet Explorer, graphics are drawn using VML.
While Highchats JS is free for personal use, you need to purchase a license for commercial usage.
Unlike many libraries, Fusioncharts provides data parsing through both JSON and XML. You can also export these charts in three different formats: PNG, JPG and PDF.
Fusioncharts is highly compatible with older browsers like Internet Explorer 6. It has become one of the favorite charting libraries for many businesses just for this alone.
You can use the watermarked version of Fusioncharts for free in both personal and commercial projects. However, you need to purchase a license to remove the watermark.
Flot supports lines, points, filled areas, bars and any combinations of these. It’s also compatible with older browsers like IE6 and Firefox 2.
Flot is completely free to use and commercial support is provided on special request to the creator. Here’s a list of example graphs created using Flot.
amMaps is my favorite out the above three. It provides features like loading icons or photos on top of your map, heatmaps, drawing lines, and adding text on maps, zooming and others.
amCharts uses SVG to render charts that work in modern browsers only. These charts may not work properly below Internet Explorer 9.
Checkout this fantastic collection of cool demos created using amCharts.
The free version of amChart will leave a backlink to its website on the top of every chart. The commercial licenses are bit more expensive than most of the paid libraries in the market.
EJS Chart claim themselves to be enterprise ready charting library. The charts look clean and readable than most of the older charting libraries. It is also compatible with IE6+ and other older browsers. Check out this list of examples.
EJS Chart comes in free and paid versions. The free version limits you to use maximum of 1 chart per page and 2 series per chart. Have a look at the pricing details here.
uvCharts is built using D3.js library. It promises to eliminate all the difficult coding parts from D3.js and provide easy implementations of standard chart types. uvCharts are rendered using SVG, HTML and CSS.
Plotly.js uses D3.js under-the-hood, so its an easier way to make D3.js graphs than using D3.js by itself. For some examples of graphs made with Plotly.js, check out Plotly’s graph news feed.
It now depends on you to select the best charting library for your future projects. Developers who like to have all the controls over their charts will definitely opt for D3.js. Almost all the above libraries have got a good support via Stackoverflow forums.
If you are looking for tools to generate ready made charts, head over to 5 Tools for Creating Amazing Online Charts article. You can also read Creating Simple Line and Bar Charts Using D3.js article to get started with D3.js. We also have a dedicated series on using Google Charts with AngularJS.
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