Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
WorldWide Telescope - The WorldWide Telescope (WWT) is a Web 2.
Celestia - Real-time 3D visualization of space
Mitaka - Mitaka is software for visualizing the known Universe with up-to-date observational data and...
Stellarium - Stellarium is a free open source planetarium for your computer.
Sky Guide - A window to the stars has never been more beautiful and easy to use.