Description: Stellarium is an open-source planetarium software that shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It can be used to learn about astronomy and identify stars, constellations, planets and satellites.
Type: software
Pricing: Open Source
Description: Waze is a community-based GPS navigation app that provides real-time traffic and road info based on crowd sourced data. Users report accidents, police, hazards, etc. to alert other drivers.
Type: software