
Description: Team Fortress 2 is a popular online multiplayer first-person shooter video game developed by Valve Corporation. Players join one of two teams, RED or BLU, and compete in various objective-based game modes using nine distinct character classes each with unique abilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API