The use of a template/theme is bound by the license you purchase. A license grants you a non-exclusive and non-transferrable right to use and incorporate the item in your commercial or personal projects. There are three main types of licenses available on XLTHEME. These are as follows:
Single Site License
Under a Single Site License for the template you are granted a non-exclusive non-transferable permission to use the template on a single domain.
Under Developer’s License you are granted a non-exclusive permission to use the template on up to 10 domains.
A Buyout License ensures that you are the last buyer/licensee of the template. You are granted a non-exclusive non-transferable permission to use the template on multiple domains.
All WordPress Theme and Plugin are under GPL License.