Sometime back, we talked about MyWIFIzone which converts your wireless network into a WiFi hotspot. Today we will talk about a similar tool Connectify for Windows 7 which lets you turn your Windows 7 laptop into a Wi-Fi hotspot to share the Internet with friends, co-workers, and mobile devices.

Developers Description

Connectify is a free and easy to use software router for Windows 7 computers. With Connectify, users can wirelessly share any Internet connection: a cable modem, a cellular card, or even another Wi-Fi network. Other Wi-Fi enabled devices including laptops, smart phones, music players, and gaming systems can see and join your Connectify hotspot just like any other Wi-Fi access point and are kept safe and secure by password-protected WPA2 Encryption.

You will need the built in Wi-Fi card for sharing your Wireless internet connection or cable modem, cellular card, or even another Wi-Fi network. Other Wi-Fi enabled devices including laptops, smart phones, music players, and gaming systems can see and join your Connectify hotspot just like any other Wi-Fi access point. It supports password-protected WPA2 Encryption making your connection secure.

As per Engadget

Connectify is a free application that effectively turns any Windows 7 computer into a virtual WiFi hotspot letting you, for instance, wirelessly tether a number of devices to your laptop at location where only an Ethernet jack is available, or even tether a number of laptops together at a coffee shop that charges for WiFi

It can even act as as a repeater for your home router and extend the its range  and you can access internet almost at every distant corner of your home.

PS:- Connectify is Ad-supported and free to download and use.