Magento AJAX Cart is a Magento extension that makes adding and removing products in the cart easier and faster. It allows customers to continue with their shopping without waiting for the page to be refreshed. A cart timer can be set to reset the cart if the customer is inactive for a specified time.
Magento Catalog Extensions is a Magento module which implements infinite scrolling. It adds a "More products" button to the end of products pages that displays more products without reloading the page, and automatically reloads the page once the viewer reaches the bottom of a list or grid.
Magento Call for Price is a Magento extension can hide a product's price and convert the “ADD TO CART” button into a "Call for Price" button. This is useful when the store owner does not want to display the product price to the customer. Buyers can fill in their inquiry details in a pop-up form, which is emailed to the owner so that they can respond with the necessary price details.