If you want to add custom total i.e custom fees to already generated order from admin this is very simple and best opencart extension for it. Also you can add c..

Customized one page order entry system is an opencart extension designed for creating customized orders from admin / backend. You can enter custom price for pro..

The extension helps you improve your sales order list page. It adds more then 10 features on order list page to make it order management for orders little easie..

Order Filter By Manufacturer / Brand is an Opencart extension designed to add a new filter on the Order List page for Admin. With this you can filter your order..

PDF Orders Invoice Advanced extension helps in providing the PDF version for your orders. The invoice can be customized with different fonts, format, with or wi..

Send Email Invoice Instantly is an opencart extension that provides a very handy tool to send the main HTML invoice email instantly to the customer. By default,..