
Description: Stellarium is an open-source planetarium software that shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It can be used to learn about astronomy and identify stars, constellations, planets and satellites.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Systems Tool Kit (STK) is satellite mission analysis software used for designing, planning, analyzing, and visualizing complex systems including spacecraft, aircraft, radars, and more. It allows modeling of various scenarios to optimize performance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API