This library generates credit card numbers using the Luhn algorithm, suitable for testing payment systems and form validations.

Prints out a nicely formatted table of pay days for the given year(s) with the CLI command. Or returns the pay days as an array of arrays sorted by their input.

To aid Cameroon businesses to make both national and international payments using MTN and Orange Mobile Money, Paypal, Credit Card and Express Union.

Ruby implementation of BlockBee's payment gateway

Jamm help you make payment without credit cards

RESTful API for the creation of Commerce Cases with Checkouts and the execution of Payments.

Ruby Implementation of the Monero Payment Request Standard. https://github.com/lukeprofits/Monero_Payment_Request_Standard

tonglian-ruby-sdk is a light and easy to use gem. It could help developers quickly make use of Tonglian Payment Gateway's services.

Provides Paypal payment integration for spree

Integrate Chip-in-Asia payment gateway with Ruby on Rails applications.

Paychangu is a Ruby gem that allows you to interact with Paychangu.com's API and perform several operations like: creating payment links, creating virtual cards etc

Peakium allows global, flexible recurring payments. See https://peakium.com for details.

SAKIDE encryption modul for CIB bank credit card payments

OffsitePayments for Pay2go

Checks integrity of Yandex.Money payment notification by comparing SHA of strigified params including a secret shared with Yandex.

To accommodate the SSO functionality of SallieMae Business Office Solutions Electronic Payment Gateway within a Rails applicaiton.

Encryption in Ruby to interface with SagePay's payment gateway protocol v3.

Simple gem for Robokassa payments. This gem can work with Robokassa API.

Spree extension for integration with GoPay payment gateway.

Spree billing integration for Sisow iDeal/Bancontact/Sofort/Paypal payments