Radiant Shop is an attempt at a simple but complete store. It includes Products, Categories, Orders and Credit Card Payments

Integrates Mercado Pago with Spree

GP webpay, easy to implement payment gateway

This is currently a dummy until a public beta is over

Kill Bill payment plugin for Paypal Express Checkout.

Paiement CIC is a gem to ease credit card payment with the CIC / Crédit Mutuel banks system. It's a Ruby on Rails port of the connexion kits published by the bank.

Simple rails engine to add payments to your web application using sermepa standard web tpv

Adds payment method for robokassa.ru

This gem was designed to help you to access the locaweb payment gateway.

EPC QR code for SEPA payments in any format

Embed QuickPay's secure payments directly into your Ruby applications. Learn more at https://tech.quickpay.net

Validation for Dutch bank account numbers, Citizen Service Numbers (BSN) and Payment reference

Online payments using dotpay.pl

WebPay is payment gateway service in Japan. See also https://webpay.jp/.

Adyen HPP payments for Solidus Stores

Payments platform for marketplaces

Client that enables access to the Payson payment gateway API.

Gem for dealing with epay.bg payments.

Integration of Stripe payment gateway for use with Piggybak

Add support to ActiveMerchant for the Sermepa payment gateway by Servired used by many banks in Spain