Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
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.
GetJar - Discover and play paid apps and games for free.
QGIS - QGIS is a desktop geographic information system, or GIS.
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
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.