
Description: Chart.js is an open-source JavaScript library that allows developers to easily create responsive, interactive data visualizations and charts using HTML5 Canvas. It supports 8 chart types including line, bar, radar, polar, pie, doughnut, scatter, and bubble charts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: C3.js is an open-source JavaScript library for creating interactive data visualizations and charts using HTML, CSS, and SVG. It's a wrapper for D3.js that simplifies common chart types like line, bar, pie, scatter, stacked, etc. making them easier to generate.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API