[http://www.wifree-project.net WIFREE] is a community oriented network. A non-profit initiative with the aim of building a universal and decentralised WiFi network that allows the members of the community to share their bandwidth in a free and fair way !
The wifree project team provides both a GNU/Linux version and a Linksys WRT54 family compatible firmware. It can be downloaded from [http://www.wifree-project.net www.wifree-project.net]