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.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
QGIS - QGIS is a desktop geographic information system, or GIS.
Wherezat - Wherezat is Fast, free, and easy way to share your location with your friend or family.
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.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.