Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Celestia - Real-time 3D visualization of space
QGIS - QGIS is a desktop geographic information system, or GIS.
Stellarium - Stellarium is a free open source planetarium for your computer.
ArcGIS - ArcGIS software is a data analysis, cloud-based mapping platform that allows users to customize maps and see real-time data ranging from logistics support to overall mapping analysis.