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.
KWGT Kustom Widget Maker - Create your own Android home screen widgets
QGIS - QGIS is a desktop geographic information system, or GIS.
Another Widget - Custom Android O widgets
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Close Enough Clock - A next generation clock, a new and better way of telling time.