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.
Clocker - Keep track of people in different time zones
QGIS - QGIS is a desktop geographic information system, or GIS.
Dato - Better menu bar clock with calendar and time zones
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Clock mini - Simple clock app in the Dock