
Description: Twine is an open-source tool for creating interactive, nonlinear stories and games. It allows users to create 'passages' of text or images that link together into branching narratives without needing to write code.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Amulet is an open-source Python-based tool for developing cross-platform software, especially games. It allows creators to build apps and games using intuitive visual scripting instead of code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API