
Description: Game Center is Apple's social gaming network and platform. It allows users to connect with friends, view leaderboards, unlock achievements in games, and more. Game Center works across iPhone, iPad, iPod Touch, and Mac.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Steam is a popular digital distribution platform developed by Valve Corporation in 2003. It allows users to purchase, play and update games online. Steam offers frequent discounts on games and has a large community with discussion forums and in-game chat.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API