
Description: PykCharts.js is an open source JavaScript charting library built on top of D3.js. It enables easy and customizable data visualization in web applications. PykCharts supports various interactive chart types including line, bar, pie, donut, scatter, bubble and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: NVD3 is a JavaScript charting library for building interactive visualizations using D3.js. It provides pre-built chart components and is optimized for rapid data visualization.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API