QGIS - QGIS is a desktop geographic information system, or GIS.
Space Engine - Space Engine is a realistic virtual Universe you can explore on your computer.
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
Celestia - Real-time 3D visualization of space
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.
Stellarium - Stellarium is a free open source planetarium for your computer.