Parallels Web Presence Builder is Parallels own sitebuilder that is integrated with Plesk 12, that is simple to use and an effective way to build a web site quickly and with no coding experience required.
Presence Builder is optimised for mobile, supports integration of ECWID e-commerce store and has a number of prebuilt templates to get users building sites right away.
To use Presence Builder, you need to enable it through your Plesk key. This can be purchased as an add-on via the Conetix Control Panel.
If you want to know more about Presence Builder, please read the product page on the Parallels website.
For support, please consult Parallels official documentation which is available here.