
Description: The Hippo OpenSim Viewer is a free, open source 3D virtual world client for connecting to OpenSim grids. It offers good stability and performance for exploring OpenSim worlds.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Second Life is a 3D virtual world developed by Linden Lab where users can socialize, connect, create, shop, and explore user-generated content. It allows users to customize avatars and interact with others in a virtual environment.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API