From: Craig on
Won't be using this but there was another post about a similar
function... (see "connectify"). Anyway, this is in beta, it is from MS'
Codeplex and the license is Ms-PL which OSI regards as F/OSS. Check
closer to the bottom of the page for more information on the author,
Chris Pietschmann.

> Virtual Router turns any Windows 7 or Windows 2008 R2 Computer into a
> Wifi Hot Spot using Windows 7's Wireless Hosted Network (Virtual
> Wifi) technology. The Wireless Network create/shared with Virtual
> Router uses WPA2 Encryption, and there is not way to turn off that
> encryption. This is actually a feature of the Wireless Hosted Network
> API's built into Windows 7 and 2008 R2 to ensure the best security
> possible.
....
> You can give your "virtual" wireless network any name you want, and
> also set the password to anything. Just make sure the password is at
> least 8 characters.
>
> BTW, this project is written entirely in C#.

<http://virtualrouter.codeplex.com/>

hth,
--
-Craig