Hello, X-Carters!
I am glad to announce our new Hidden Categories module that has grown from extras.
http://www.x-cart.com/sites/default/files/hidden_categories_customer_category.png
With this mod you can hide a category from the categories list in the customer area (be it side menu, flyout menus or list of subcategories on the category page), with the hidden category still being available by a direct link. At the same time, "hidden, but available for sale" products are visible within the hidden category (if assigned to this category).
Key features are:
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png Hidden category is not shown in categories list at all, available by direct link only. So you can create a products list available by a direct link only
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png 'Hidden category' checkbox is editable via admin interface and categories export/import.
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png 'Hidden, but available for sale' products are show within the hidden category
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png Show exclusive products to special customers only
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png Hide the categories with short-stock items that must not be promoted.
http://www.x-cart.com/sites/all/themes/xcartcom/images/base/checkmark.png Admin controls if the products within hidden categories are searchable or not in customer area
Hidden Categories manual
Hidden Categories add-on can be purchased on our official website