CS-Cart "Admin control bar" add-on will allow you to edit product, categories and pages from customer area easily.
The Forbidden products add-on allows you to forbid displaying certain products or groups of products from certain users or user groups.
Add-on allows to edit invoices and packing slips using drag-and-drop blocks and powerful visual editor. With the help of this add-on you can create your own templates of invoices and packing slips, set different templates for customer usergroups, add there information you need and arrange it your own way.