
Description: Active Textbook is an interactive digital textbook platform that allows teachers and students to collaborate. It features highlighting, notation, sharing, analytics, and quiz capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yumpu is an online platform that allows users to upload, publish and share PDF documents and catalogs. It converts PDFs into flipbooks for easy reading and sharing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API