Know Who's at the Office with the Raspberry Pi | Initial State
Setup a sensor-free presence detector to let you know when someone's close enough to connect to the WiFi! Know who's home and who's not.
Download My Arch Linux Raspberry Pi WiFi Access Point | Hayden James
Are you looking into turning your Raspberry Pi into a Wireless router? Then I've created a tiny Arch Linux ARM + create_ap based setup, pack