What are some alternatives?
When comparing SkyORB and Mapline, you can also consider the following products
Stellarium - Stellarium is a free open source planetarium for 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.
KStars - KStars is a Desktop Planetarium for KDE.
QGIS - QGIS is a desktop geographic information system, or GIS.
Sky Map - Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...
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.