Stellarium Online Browser Bassed Sky Observer (interactive try below)
Link to site: https://stellarium-web.org/
Gaming & Software
Star Citizen online MMORPG
Star Citizen is a 'in development' open alpha space simulator. It is akin to a Star Wars or a Star Trek universe online that you can trade, fight, mine, and make your way in a open universe. Extreamly detailed in scope and content.
Space Engineers
Build in real time with full Newtonian physics.
Universe Sandbox
Play with Newtonian Physics on a Universe scale
Grand Designer
Create full 3d rendered planets for your media.
Space Engine
TheWhole Universe to explore in real time 3D
Phone & PC Apps
Star Walk 2
Sky watching App
Sky Safari
Apple Sky watching App
Stellarium Mobile
Mobile version of the web based Sky observation app.