Hello,
I sell URL shortener script with feature :
- Single / multiple link submission.
- Prevent URL from being shortened (for example you don't want user to mask .gov URL or such)
- Animated captcha (verification image)
- Automatic link deactivation (see the demo)
- AJAX submission
- Some JS style.
- Template & engine files are separated so that you can hire web site designer without messing the engine / you can hire coder without messing the design.
- Automatic link removal (old links can be removed, but you can turn off this feature)
- There is a config file, you can edit all important setting there.
- No admin page.
Demo :
http://www.osyt.com/
Price : $10 / domain
Payment : PayPal (MassPay
)
Xrvel's URL Shortener 
