A cloud-backed plugin that lets you securely accept Credit Card payments on your site using Stripe without needing to install an SSL certificate.
myCRED is an adaptive points management system that lets you award / charge your users for interacting with your WordPress powered website.
WP-Donate provides a payment form and recent donor by utilizing AuthorizeNet.
Ad King Pro allows you to easily manage, track and report on your on-site advertising. Upload, link, go.
With Church Donation plugin, church websites built with WP can accept donations from sponsors, donors, members, fans and supporters via credit card.
Allow Knox Payments (pay with online banking) as a Payment Gateway in WooCommerce..
This plugin enables WordPress posters to use a simple shortcode to grant access to a Knox Payments endpoint.