Redsys is an Spanish payment gateway.

Przelewy24 payment system for Spree

IFMB payments for spree

Adds Dwolla as a Payment Method to Spree

Add iDEAL payment to spree

A Ruby client for 3Delta's credit card vault and payment gateway.

Adds payment method for mainpay.ru

A Ruby wrapper of Tenpay(财付通) Payment API

BankLink payment plugin using ActiveMerchant for use with Lolita CMS

alpha - currently covers part of payments pro and all of mass pay

Stairs plugin for setting up Balanced Payments

A lightweight Ruby library for interfacing with the eWAY Token Payments API.

When your customer doesn't want e-commerce but actually you need products, orders and a payment gateway

GoCoin is the best way to accept Bitcoin payments for online businesses. See https://gocoin.com for details.

To aid Cameroon businesses to make both national and international payments using MTN and Orange Mobile Money, Credit Card.

RubyTML (or just RTML) is a Ruby framework for communicating with Ingenico's Incendo-based payment devices.

This gem consume the API's and integrate with your's project DB.

An API wrapper for the inpay.com payment system

== DESCRIPTION: Experimental library for working with GoogleCheckout. Currently in use for payment at http://peepcode.com.

Fully implements CoinPayments.net API