Ruby implementation of BlockBee's payment gateway

Spree Commerce PayPal Checkout payment gateway integration

Interact with the Maroc Telecommerce payment service

Gem for Ruby on Rails Apps which integrate with PayU India Payment Gateway

Amazon Payments - Login and Pay with Amazon Ruby SDK

Generate payment easily

ExpressPayments is the easiest way to accept payments online. See https://epayments.network for details.

This gem extends the activemerchant offsite_payments gem providing integration of Przelewy24.

Integrate Dinero Mail as PaymentOption to Rails

Process your payment through Dragonpay API

This gem helps to integrate your Rails app with EBS SDK

Merchant signature calculator for Adyen (https://www.adyen.com) payments service. It is implementation of HPP HMAC (SHA-256) algorithm from Adyen documentation (https://docs.adyen.com/display/TD/HPP+HMAC+calculation).

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

Everypay payment gateway. See https://www.everypay.gr for details.

Integration with Sadad API! All required resources are included to make your payment with Sadad

Wildland Rails Payment module.

I hope to communicate to developers of web apps, especially of those handles payment information, that they should be aware of what they trust when developing an app. This should make the app more secure and make the developers aware of when to update gems or certs.

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

API client library for DIDWW payment gateway (UPS)

DIBS payment gateway library