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: Yahoo! Maps is a free online map service that provides interactive maps, aerial and street-level imagery, driving directions, and traffic information. Owned by Yahoo!, it competes with other popular mapping services like Google Maps and Bing Maps.
Type: software