
Description: Brainly is an online community where students can ask homework questions and receive explanations from other students or subject matter experts. It covers various school subjects like math, history, science, etc.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stack Exchange is a network of question-and-answer websites on topics in diverse fields, from software programming to cooking to photography. Users post questions which can be answered by other members of the community.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API