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

Robokassa is payment system, that provides a single simple interface for payment systems popular in Russia. If you have customers in Russia you can use the gem. The first thing about this gem, is that it was oribinally designed for spree commerce. So keep it in mind.

A library to interface with Fawry's payment gateway API (charge, refund, payment status, service callback).

Lightweight wrapper for Paypal's Adaptive Payments API

Ruby client library for the GMO Payment Platform.

Client for ReCharge Payments recurring payments API for Shopify

Integration with polish payment method: Przelewy24

Instamojo Ruby library - Assists you to programmatically create, edit and delete offers on Instamojo. Also supports listing, updation and details of Payments, Payments Requests and Refunds.

acts_as_payment is a rails plugin that enables you to work with bills.

A rails plugin to add an active_merchant patch for china online payment platform

PNZ Payments Account and Transaction API

This library is for use with Braintree's payment gateway in concert with one of the supported client libraries. It encrypts sensitive payment information in a web browser using the public key of an asymmetric key pair.

This gem extends the activemerchant offsite_payments gem providing integration of MiGS.

ActiveTiger allows you to simply add payment processing to your application using Tiger Payment Solutions

ErpInvoicing adds models and services to the CompassAE core to handle invoicing and billing functions. It includes extensions to the core ERP classes for accounts and things that are 'billable' (products, work efforts), and additional models for the invoices/items, payments and the application of...

Enable spree store to allow payment via GTPay, a GTBank Payment Gateway for Nigeria

Easy integration with Mundipagg payment gateway services

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent inter...

The VR Payment SDK allows an easy interaction with the VR Payment web service.

A payments module for Rails