PayU payment gateway for Spree

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

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

This gem generates UPI QR codes for payments. It can be used in e-commerce applications to generate QR codes for payments. The QR codes can be scanned by UPI apps to make payments. The gem uses the rqrcode gem to generate the QR codes.

Provides Paypal payment integration for spree

Calculate periodic payment given principal, rate and mortgage type

Solidus Engine for Openpay Mexican Payment Gateway