
Description: Ludus is a free and open-source game engine for 2D games. It is written in C# and uses the MonoGame framework. Ludus makes it easy to get started making 2D games with features like sprite animation, physics, tilemaps, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Spectacle Presentation Library is an open-source JavaScript library for creating responsive, HTML-based presentations. It provides a simple API and templates for building slide decks that work well across devices and screen sizes.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API