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: Reddit is a social news aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, images, and videos which are then voted up or down by other members.
Type: software
Pricing: Free