WP Express Checkout Plugin is a web-based business store tool that provides you with a shortcode to generate a customizable PayPal payment button. It allows a customer to pay for an item instantly via a popup using PayPal's Express Checkout API/Gateway. The checkout process is quick and easy. It lets your customers pay later in 4 installments via PayPal.
WPForms Lite Plugin is a free version of the WordPress website form builder toolkit that allows you to create beautiful contact forms, feedback forms, subscription forms, payment forms, and other types of forms for your website in minutes, not hours!
WordPress is a free and open-source Content Management System (CMS) written in PHP and paired with a MySQL or MariaDB database. Its key features include a plugin architecture and a template system, referred to within WordPress as Themes. It is only one of the best website builders that users can download, install & activate for free.