
Description: Atomic FE is a free, open source prototyping and design tool focused on web design and front end development. It allows users to easily create prototypes, UI kits, design systems, and style guides with its intuitive drag and drop editor.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Wah!Cade is an open source arcade emulator focused on accuracy and preservation. It emulates a variety of classic arcade games from the 70s, 80s, and 90s.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API