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..

Coupon code creator is an Opencart extension which helps you in Bulk generation of coupons using Csv or Automatic process. It also helps in Export / Delete of c..

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..

The extension allows you to import your existing customers to opencart easily and in smart manner. You can add customer details to our excel sheet and click up..

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..

The extension makes adding attributes to product very simple and quick.If you don't use attributes, then this extension is not for you.This extension is best - ..

It helps you set up different offers based on different cart total easily. You can provide discount based on percentage or fixed amount. Also you can have condi..

Helps you create awesome category combo offers. Offers within same categories and offers between different categories. Also show offer message and page on cate..

Complete sales combination is an all in one extension for creating different offers of type buy x and get y. The extension provides you with 6 different buy x ..

Helps you create awesome product combo offers. Offers within same products and offers within different products. Also you can show combo offers on product pag..

It gives your customer free gifts when they purchase total is above or between some range. You can set different gift products based on different ranges. Custom..

About:The extension gives your customer free gift products when they add desired products or products from desired category in certain quantity. You can set dif..

Stock display controllers is an opencart extension which adds 4 features for stock. Quantity input box, Add to cart disabled when product quantity is zero and ..

Complete stock manager is a group of extensions that provides you complete control over stock management. It has admin side (Back end) and customer side (Front ..

City /Area pincode based products and delivery charges helps you easily set up products based on cities and pincodes. You can also have different delivery charg..

Add postcode checking on your store with control at checkout, payment and shipping methods, more more features in this advanced postcode manager opencart extens..

Restrict cash on delivery based on products for your opencart store. Also show them special message about COD on product page so they know it prior...

Quotation manager 1 for opencart is complete quotation system. It allows orders to be placed in the form of quotations. This quotations can then be edited by ad..

Dual Cart - Open Cart + Quotation Cart : The extension allows you to receive orders as well quotations. Like customer adds to cart a product, they can now als..