Mumble - Mumble is an open source, low-latency, high quality voice chat software primarily intended for use...
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.
Discord - Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
QGIS - QGIS is a desktop geographic information system, or GIS.
GSC - With GSC, you can pick from any of 14 worldwide datacenters to host your own free voice server.
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.