
Description: Explain Everything is an easy-to-use design, animation, and presentation tool that allows users to annotate, animate, narrate, import, and export nearly anything. It's great for creating interactive lessons, how-to tutorials, project walkthroughs, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Scribblar is a free online collaborative whiteboarding tool that allows multiple users to draw, write and edit images in real-time. It's useful for brainstorming sessions, presentations, teaching and team collaboration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API