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: Ubuntu is a free and open source Linux distribution based on Debian. It is easy to use, highly customizable, and has a large community supporting it.
Type: software
Pricing: Free