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

Adds payment method for mainpay.ru

Provides integration with the Fat Zebra internet payment gateway (www.fatzebra.com), including purchase, refund, auth, capture and recurring billing functionality.

This gem implements the REST API of the Sisow payment provider.

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

Spreedly is a cloud service that allows you to store credit cards and run transactions against them, enabling you to accept payments on your website while avoiding all liability and PCI compliance requirements.

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

Provides complete access to PayPal's Adaptive Payments API

This engine allows users to inject requests into a queue to be processed. The queue handles bank account validations, credit payments, debit orders and collecting bank statements/notify me statements.

The interface supports Account holder verifications, EFT payments, Debit orders, collecting statements.

SystemPay is a gem to ease credit card payment with Natixis Paiements / CyberplusPaiement bank system. It's a Ruby on Rails port of the connexion kits published by the bank.

Ruby/Rails client for the Allopass online payment API

Sisal is an abstraction layer to work with SMS. Think something like Active Merchant, but instead of payment gateways and credit cards, it deals with SMS providers and messages.

Add Ogone payments functionality to your Rails application

Balanced is the payments platform for marketplaces.

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

DIBS payment gateway library

Przelewy24 payment system for Spree

Ruby wrapper for PuntoPagos Payment API

Added a calculator for PaymentMethod for Spree