
Description: Excel Easy is a website that provides free tutorials and examples on using Microsoft Excel. It covers basic to advanced functions and formulas to help users become more proficient with Excel for personal or professional use.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Khan Academy is a free online learning platform that offers practice exercises, instructional videos, and personalized learning dashboard for K-12 and college level students. Subjects covered include math, science, economics, history, grammar, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API