
Description: Vega-Lite is a high-level grammar for visualizations that generates complete Vega specifications. It provides a concise JSON syntax for rapidly creating visualizations to explore and analyze data sets. Vega-Lite specifications can be compiled to Vega specifications to generate interactive views.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Picasso.js is a charting library that allows you to easily create visualizations and charts in the browser using HTML5 Canvas. It has a simple API that makes it easy to quickly generate bar, line, pie and other charts with customizations like themes, interactivity, animations etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API