Guifi.net

Guifi.net is a free, open and neutral, mostly wireless community network, with over 37,000 active nodes and about 71,000 km of wireless links (as of December 2021). The majority of these nodes are located in Catalonia and the Valencian Community, in Spain, but the network is growing in other parts of the world. The network is self-organized and operated by the users using unlicensed wireless links and open optical fiber links.