
Description: Yarn Spinner is an open-source dialog engine for games. It allows developers to write character dialogue in YAML files and integrate it into Unity games using C# code. Key features include a node-based conversation editor, localization support, and options for branching dialog.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Textadventures.co.uk is a free, online platform for creating and playing text adventure games. It provides a simple drag and drop editor to build nonlinear stories and dialog trees quickly.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API