Free JS Chart is described as 'supports all essential chart types: line, scatter, vertical bar and pie. You can add a title and unlimited number of legends. The library offers customizable grid and unlimited number of chart series. Users can pan and zoom the chart as well rotate pie charts' and is an app in the Development category. There are more than 10 alternatives to Free JS Chart for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Mac, Windows and Linux. The best alternative is Plotly, which is both free and Open Source. Other great apps like Free JS Chart are Chart.js (Free, Open Source), Highcharts (Free Personal), Frappé Charts (Free, Open Source) and Google Charts (Free).
Frappé Charts is a simple, responsive, modern charts library for the web with zero dependencies and a roughly 15k gzipped file size. From the makers of ERPNext, the library offers a fast alternative with minimal effort needed to visualize data in sleek charts.
The Google Charts is an extremely simple tool that lets you easily create a chart from some data and embed it in a webpage. You embed the data and formatting parameters in an HTTP request, and Google returns a PNG image of the chart.