silvercommerce/shoppingcart

595 Module for managing estimates via a frontend controller

silvercommerce/discounts

591 Module that adds discounts (either as a code, or on a group) to SilverCommerce

silvercommerce/customisable-products

160 SilverCommerce module that adds customisable products (adding dropdowns, radio buttons or textfields...

silvercommerce/downloadable-products

48 Allow adding a file to a product that can be downloaded by users who buy it.