Community Maps is a mapping site for community groups that allows users to add their own information to the map. This can include local events, organisations, planning applications, history and local shops.
M. Keller, J. Beutel, O. Saukh, and L. Thiele. Local Computer Networks Workshops (LCN Workshops), 2012 IEEE 37th Conference on, page 925--933. IEEE, (2012)