This tool will allow you to use the stock WIFI Hotspot app on the AT&T stock rom without a tether plan. This should also work on any rom that doesn't have this fix already applied.
New Linux/Mac version courtesy of Paul, XDA user vbrtrmn.
HOW TO USE
Make sure phone is plugged in to usb
Unzip to your computer
Follow instructions on screen
Windows users: download the .zip attachment, Linux/Mac: download the .sh.gz
Your phone must be rooted and you must have the android sdk installed to use this!
Added the adb binaries for users getting 'adb is not recognized as a command' error
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