PerfectHotspot is a software allow you to share internet from your Windows 7 or Windows 8 wifi-enabled PC to others device like smartphones, tablets, wireless printers, wireless camera. It is a freeware wifi application.
Here is a screenshot to illustrate the features and user interface of this application:
TekWiFi
Intel PROSet/Wireless WiFi Software
WifiInfoView
Wireless Network Watcher
SoftPerfect WiFi Guard