Description: OpenStreetMap is a free, open-source, crowd-sourced map of the world. Volunteers collect map data using GPS devices, aerial imagery, local knowledge, and other free sources to create and update the map database.
Type: software
Pricing: Open Source
Description: Trapster is a free app that allows drivers to alert each other in real-time to police locations, speed traps, road hazards and traffic. Users can report incidents while driving with a couple taps, helping build a community of drivers looking out for each other.
Type: software