
Description: Open Sandbox is an open source sandbox environment for development and testing applications. It runs as a separate system on a single Linux machine or as a fully isolated container, allowing you to isolate programs and services within a lightweight virtualized environment to test and experiment safely.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Roblox is an online game platform and game creation system that allows users to program games and play games created by other users. Popular with children and teens, Roblox has over 90 million monthly active users.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API