PrestaShop is a free e-commerce shopping cart application. Initially released in 2007, It is now one of the widely used e-commerce application powering from over 100,000 webstores.
Zen Cart is a free e-commerce shopping cart application used for building online web stores. It is a user-friendly app developed by a group of like-minded shop owners, programmers, designers, and consultants.
A part from popular eCommerce plugins like WooCommerce – excelling eCommerce and WP eCommerce which empowers you to sell anything online, beautifully and easily from your WordPress site. There are several other similar purpose plugins you can use for accepting payments, donations via PayPal etc, specially when you want to accept payments on a few products without transforming your complete WordPress site into an online store.
If you are a good cook but don’t have much money to open up a restaurant then you can have it online using WordPress. Put your menus online, allow people to order food using your website, cook at home then deliver it. This can be done quickly and easily.