
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: Squiffy is a lightweight, accessible tool for creating text-based interactive fiction games and stories. It allows authors to build branching narratives, add stats and inventory systems, and publish their games to play in-browser.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API