The CompassAE Commerce Engine uses the engines that implement Parties, Products and Orders, and adds the ability to conduct commerce. It implements a pricing engine, fees, payment gateways.

Simplifies generating payment requests and parsing responses from banks when using iPizza protocol.

This fork contains unmerged pull requests for additional gateways.

Decryption of Apple Pay payment tokens

Accepting iDEAL, Bancontact, SOFORT Banking, Creditcard, SEPA Bank transfer, SEPA Direct debit, PayPal, KBC Payment Button, CBC Payment Button, Belfius Direct Net, paysafecard, PODIUM Cadeaukaart and ING Home’Pay online payments without fixed monthly costs or any punishing registration procedures.'

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.

Ruby Client for Genesis Payment Processing Gateway

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

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

Authorize.Net SDK includes standard payments, recurring billing, and customer profiles

Implements the Wirecard API for payment services. Currently supports only seamless mode.

Lightweight wrapper for Paypal's Adaptive Payments API

PAY.JP makes it way easier and less expensive to accept payments.

Interface to handle payments via UnifiedPayment for rails app.

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.

Ruby wrapper for Bluepan's API - access to Pay86 and payments to Korea

Use Stellar payment channels in Ruby with ease

An engine for the Straight payment gateway software. Requires no state to be saved (that is, no storage or DB). Its responsibilities only include processing data coming from an actual gateway.

Add wallet payment method functionality to spree

jquery.payment library for building credit card forms for the Rails Asset Pipeline