Freifunk is a non-commercial open grassroots initiative to support free computer networks in the German region. Freifunk is part of the international movement for a wireless community network. The initiative counts about 400 local communities with over 41,000 access points. Among them, Münster, Aachen, Munich, Hanover, Stuttgart, and Uelzen are the biggest communities, with more than 1,000 access points each.
Connections between nodes in Berlin
The Freifunk-Initiative installing Wi‑Fi antennas in Berlin-Kreuzberg in 2013
Wireless community network
Wireless community networks or wireless community projects or simply community networks, are non-centralized, self-managed and collaborative networks organized in a grassroots fashion by communities, non-governmental organizations and cooperatives in order to provide a viable alternative to municipal wireless networks for consumers.
The Freifunk-Initiative installing Wi‑Fi antennas in Berlin-Kreuzberg in 2013.
A cantenna connected to a One Laptop per Child machine.
A Patras Wireless Network (PWN) access point, the first city-wide wireless community network in Greece.
A volunteer installing a "supernode" of guifi.net. In July 2018 guifi.net had over 35,000 active nodes and about 63,000 km of wireless links.
