FormToEmail (free version)
You can use the free script on any number of websites whether owned by you or not. You can use it for personal use and/or commercial use. You are not permitted to sell the script, but you can use it, copy it or distribute it, providing that you do not delete the copyright notice contained within it, and you do not remove any reference or links to FormToEmail.com
FormToEmail-Pro (Pro version)
With a single license you are permitted to use the script on one website only.
With a multiple license you are permitted to use the script on any number of websites which you own or are responsible for maintaining.
You may use it for personal use and/or commercial use. You may not distribute the script. You are not permitted to post the script code in a public place, such as a forum for example.