There are 26 free core modules provided with the latest version of OpenCart:
| Account | The User Account links (My Account, Edit Account, Order History, etc) box for the customer to access. |
|---|---|
| Banner | Adds an image banner with icons linking to different products or manufacturers in the store. |
| Bestsellers | Adds a window displaying the best sellers wherever position/page it is specified. |
| Carousel | Displays banner that can be navigated through as a slideshow. |
| Category | Displays a module containing all the categories and subcategories of the store. |
| Divido Product Page Calculator | |
| Featured | Displays a feature box containing selected products. |
| Filter | Displays a filter column to refine the products. |
| Google Hangouts | A chat box used with a Google account to interact with customers. |
| HTML Content | Creates a custom "Welcome" message for the customer to view on the home page. |
| Information | Adds the information tab containing the Information pages (About Us, Delivery Info, Privacy Policy, Terms&Conditions) |
| Klarna Checkout | |
| Latest | Adds the latest, or most recently added, products in the form of product icons to a product box on a page. |
| Lay-Buy Layout | |
| Log In with PayPal | |
| Login with Amazon | |
| Pay with Amazon | |
| PayPal (Powered by Braintree) Button | |
| PayPal Express Checkout Button | |
| Pilibaba Checkout Button | |
| Sagepay Direct Card Management | |
| Sagepay Server Card Management | |
| Slideshow | Displays banner that can be navigated through as a slideshow. |
| Specials | Displays all the products with Specials in a product box. Specials can be added to products in the Special tab. |
| Store | Creates a box for the customer to select another store to visit if there are multiple stores managed with OpenCart. |
| eBay Listing |
All of these modules can be manipulated with the Layout, Position, Status, and Sort Order tools in Modules.