
Description: Unity Multiplayer is a set of tools and interfaces that allow Unity developers to add multiplayer functionality to their games. It supports building games that can be played over LAN or the internet. Key features include a networked scene system, matchmaking, lobbies, NAT punchthrough, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PlayFab is a backend service platform that provides live game operations, player insights, content management, player impact, economy management and more for game developers. It allows developers to focus on building great games while PlayFab handles servers, analytics, and other services.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API