
Description: Celestia is a free, open-source space simulation software that allows users to visualize and explore outer space. It renders high-resolution photographic images of planets, moons, stars, galaxies, and more from real astronomical data. Celestia is available for Windows, macOS, and Linux.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Space Engine is a free software program that allows users to explore the universe in 3D, from planet Earth to the most distant galaxies. It generates procedural planets, stars, and galaxies based on scientific data and allows virtual space tourism.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API