Extremely useful for public networks, MyPublicWiFi is a great freeware networking program which allows you to provide a repeater for WiFi networks in your vicinity. A review of MyPublicWiFi has also been published.
Download MyPublicWiFi 30.1 (from WiFi Programs)mypublicwifi xp1.1 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free