
Description: FPV Freerider is a freeware, cross-platform simulator for practicing and testing first-person view drone flying using a controller. It provides realistic drone flight physics and various tracks and courses to fly in a range of environments without the risk of crashing a real drone.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AirSim is an open-source simulator for drones and cars that is developed by Microsoft. It provides realistic environments for testing AI perception and control algorithms before deployment to real vehicles.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API