
Description: Halcyon is an open-source virtual machine and development environment aimed at facilitating complex systems modeling and simulation. It features a drag-and-drop interface to build simulations visually.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ivory is a user interface focused Mastodon client for Android. It features a clean and intuitive interface while integrating Mastodon specific features. Ivory aims to provide the best Mastodon experience on mobile.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API