Requires iOS 4.0 or higher
Send and receive SMS from your computer over WiFi.
After installing, activate via SBSettings
There is no homescreen icon
Then go to http://myIPAddress:8080/ from your PC's web browser to send and receive SMS.
Replace myIPAddress with your phone's IP address
Internet Explorer is not Supported
This app was formerly called treasonSMS, it is now open-sourced and many improvements were made.
WifiSMS on Github