About Isaac Glikson
This addon allows your to add html / php to the header / footer in the admin area / admin login page / clients area
Enabled Child Themes System for WHMCS like in Wordpress, So you can get updates without loosing your own Template / CSS / JS / Images customization (Supporting Admin & clients Area)
This addon allows you to know if the user opened the email / ticket that come from the WHMCS system incuding invoices and more
This addon allows your resellers clients to restart their server them self.
This addon allows you to change / assign a contact user, even after the order was placed already
This moduls is very useful for a free trial products or when the order total is $0.00, then its disabling all the payments options ..
give support for multiple remote WHMCS Ticket system in one screen