ApexCharts is an open-source modern charting library that helps developers to create beautiful and interactive visualizations for web pages.

ChartJS - Simple yet flexible JavaScript charting for designers & developers.

NVD3 - This project is an attempt to build re-usable charts and chart components for d3.js without taking away the power that d3.js gives you. This is a very young collection of components, with the goal of keeping these components very customizeable, staying away from your standard cookie cutter solutions.

Flot is a pure JavaScript plotting library for jQuery, with a focus on simple usage, attractive looks and interactive features.

Sparkline - This jQuery plugin generates sparklines (small inline charts) directly in the browser using data supplied either inline in the HTML, or via javascript.