The future of data visualization is open source. The best open-source chart libraries are available to everyone, and you can easily add them to your website or app.

12 Best Open Source Chart Library 2023

To help make your life easier when it comes to choosing an open-source chart library, we’ve compiled this list of essential features:

1. Flot

Flot is a jQuery plugin for plotting simple graphs. It’s written in JavaScript and released under the MIT license.

2. ChartJS

ChartJS is a simple, clean, and interactive JavaScript charting library that makes it easy to display and animate your data. The library comes in three different versions: Chart.js, Chart.min.js, and Chart.SVG (SVG).

ChartJS has been around for more than two years now and supports many of the most common chart types such as bar charts, line charts, pie charts, etc.. It also includes an extensive set of data visualization options including sparklines, radar charts, or even some kind of scatter plot!

3. Bootstrap Charts

Bootstrap Charts is a library that allows you to quickly create charts with Bootstrap. It is built on top of the popular JavaScript charting library Highcharts, which means you get all of its features and benefits without having to learn how to use it.

This library provides more than 70 charts of six different types: line charts, bar charts, area charts, pie charts, and donut charts. You can also easily customize your data set by adding additional columns or rows through the use of custom data sets or arrays.

4. PureChart

PureChart is a lightweight charting library for React.js. PureChart uses the same rendering engine as React and offers you high performance and tons of control over your data visualization. You can create charts with different types of axes (line, bar, area) and many types of legends (including text).

If you have ever worked with other charting libraries before, then PureChart will feel familiar because it has all the same basic features: support for multiple series/axes; automatic scaling; automatic layout; flexible styling options; unlimited sizing options (minimum width/height); custom background colors…

5. Chartist JS

Chartist JS is a lightweight JavaScript charting library based on Vue.js. It’s easy to use and customizable, with a wide range of features including:

• Customizable elements: create your own custom elements or modify Chartist’s default ones
• Data binding: attach data from your HTML markup or JSON backends (like MySQL) directly into your charts
• Data visualization techniques such as pie charts, bar graphs, line charts, and area charts.

6. Fisheye Charts

Fisheye Charts is an open-source charting library that uses D3.js. It’s a fork of the chartJS library and aims to be as customizable as possible, while still being easy to use.

Fisheye Charts is free and open source, so you can use it for your own projects or share your work with others too!

READ: 8 Reasons Why Top Businesses using PHP for Website Development?

7. Chartists.js

Chartists.js is a lightweight library for creating charts with no dependencies. It has a simple API, and it’s easy to use, supporting many chart types such as bar, line, and pie charts.

Chartists.js is open source and available on GitHub under MIT License with extensive documentation at http://charts2djs.com/docs/.

8. HighChartsJS

HighChartsJS is a charting library that allows you to create interactive charts in pure HTML5 and JavaScript. Highcharts is the most popular charting library in the world, used by thousands of web developers worldwide to display their data and information.

9. ChartJS (old)

ChartJS is a lightweight, easy-to-use library that can generate graphs and charts using JavaScript. It’s maintained by Google and released under the MIT license.

ChartJS supports all major browsers, including Firefox 51+, Chrome 70+, and Opera 40+.

10. ChartJS (new)

ChartJS is a JavaScript library for creating charts and visualizations with minimal effort. It supports responsive web design and works on mobile devices, including iPhones. ChartJS also supports Google BigQuery, Apache Cassandra, and Amazon DynamoDB as data sources.

11. Froala Charts (old)

Froala Charts is an open-source charting library written in pure JavaScript, built on top of the Raphael library. It’s compatible with all modern browsers and IE9+ and has been used by many famous websites such as Reddit and Wikipedia.

The main goal of this library is to provide a flexible and powerful set of tools for creating charts that can be reused easily in your own projects.

12. Google Charts

Google Charts is a great library for developers looking to create charts in their applications. The library has a great documentation and support team, making it easy to get up and running with the library. It also has some of the best performance out of all the libraries we’ve looked at so far!

These are the best open-source chart libraries for data visualization

When you’re building a data visualization, the last thing you want to do is spend time on the wrong tool. You need something that’s easy to use, feature-rich and open source–and most importantly, well documented.

• Easy-to-use interface: A good UI makes both data exploration and creation much easier than using non-interactive tools like Photoshop or Illustrator. It should also provide plenty of options for customization (if needed).
• Feature-rich: A useful chart library should be packed with features such as interactive navigation bars etc., but don’t worry if some of these features aren’t available today; they will come soon enough!

Conclusion

These are the best open-source chart libraries for data visualization. They can help you create beautiful and interactive charts in no time.