
Description: Webots is an open source robot simulator that provides a complete development environment for modelling, programming and simulating robots. It allows users to design 3D virtual worlds with physics properties and populate them with mobile robots that can be programmed. Webots is well-suited for both industrial and educational use.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Gazebo is an open source 3D robot simulator. It accurately simulates sensors and environments for developing, testing, and training robots in complex scenarios before deployment in the real world.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API