subsify is a Ruby client for the Subsify Subscription Payment API.

Handles payment processing with STAPI

Additional Payment Gateways for Spree Commerce using Veritrans

Midtrans payment gateway for Spree framework

Payment method for onpay.ru

Adds PayPal Express as a Payment Method to Spree Commerce

Affirm payment Gateway for Spree

Generate payment order under the multicash spec

Ruby library for integrating with the MundiPagg payment web services

Payment gateway abstraction for rack applications. Think omniauth for off-site payment.

Paid is the programmatic way to manage payments. See https://paidlabs.com for details.

Payment solutions with GMO services

Add Payment GayeWay GGE4

a gem to handle the requests to the payment api