I basically offer the following things:
-Forums Installation (Xenforo License).
-Paid Styles.
-Paid add-ons/customized plugins.
-Subforums and forums creation.
-Server Groups creation and configuration are included.
-Forum Support.
-All Languagues.
-Resources and shop tab.
-Free Support.
-Extra design (Logos, banners, backgrounds, etc).
-Teamspeak development