Provides complete access to PayPal's Adaptive Payments API

Add social payments to your business by adding a ‘Pay with Pygg’ button to your site!

The PayPal REST SDK provides Ruby APIs to create, process and manage payment.

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...

An API for using the Amazon Flexible Payment Service (FPS).

Payment gateway for USA ePay transaction

SlidePay makes it ridiculously easy to take swiped payments anywhere, on any device. Check out http://www.slidepay.com for more info.

Cash on delivery payment method for Spree

Add support for Pagseguro checkout as a payment method for spree 3.

A spree extension to use WebPay as a payment method

Ipay88 is a payment gateway service in South East Asian countries. This gem provides integration support for Spree with the gateway

Spree extension for integration with PagSeguro payment. Based on spree_pp_website_standart gem