
Description: Oppia is an open-source learning platform that allows users to create interactive online lessons called 'explorations'. It features a visual editor for building engaging content like quizzes, simulations, and feedback.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: WikiExplorer is an open-source knowledge discovery and management tool. It allows users to visually explore Wikipedia in an interactive graph view, discover related topics, take notes, and export data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API