Library for doing payments using DebiTech (DIBS)

Tools to implement the ePay payment gateway

A rack-mountable version of the Pin Payments API

Flow Method Payment Integration

Fork of Robokassa gem with only basic payment support

GMO-PG is No.1 Payment Gateway in Japan. See https://www.gmo-pg.com for details.

A utility gem with basic interswitch payment functionalities

Moip payment service integration library.

Simple mollie.nl iDEAL payment processor integration Gem

Utilities for Mortgage related calculations (APR and Monthly Payments)

This is a rubygem for processing navigator.mozPay() payments on a server.

Accept payments with PayU Latam: http://developerspec.payulatam.com/es/.

API wrapper for Sinopac E-Commerce Payment APIs.

Payu (polish payment service) rails engine.

Allows for the use of Onebip's payment gateway services, as of Oct 12 2015

Online payments for entrepreneurs that want maximum growth

ActiveMerchant plugin for Paypal Adaptive Payments

Integration with PayTrace Payment Gateway

PayXML is an easy use wrapper for the the PayGate PayXML payment gateway API.

A simple gem for the Payza payment network