The Shipping and Payments Restrictions add-on is used to create conditions for shipping and payments ability. Depending on the order subtotal and the address the customer will see or will not see the shipping method or payment on the checkout page.
The Abandoned cart and Wishlist reminder add-on is used to bring customers back and persuade to complete the order. Using this add-on the administrator can send e-mail reminder notifications to the registered customer with abandoned cart, place special offers for customers who are about to leave the store with some product in the cart.
The Automatic Cart Recalculate add-on for CS-Cart and Multi-Vendor enables automatic recalculation of the cart's total cost with AJAX without clicking the Recalculate button. Now you can simply enter the number of products or change options, and all the prices will be recalculated automatically.