jQuery.payment is a general purpose library for building credit card forms, validating inputs and formatting numbers.

Payment gem

== DESCRIPTION: Experimental library for working with GoogleCheckout. Currently in use for payment at http://peepcode.com.

HD Wallet Generation, Payment and Accounting System! BIP32 and BIP39 compatible

== DESCRIPTION: Experimental library for working with GoogleCheckout. Currently in use for payment at http://peepcode.com.

An API wrapper for the inpay.com payment system

SynapsePay allows you to integrate bank payments into your applications

Ruby SDK for processing payments via Portico Gateway

Simple REST API for the CyberSource Global Payments Platform

This gem allows you to interface with 2c2p payment gateway

alpha - currently covers part of payments pro and all of mass pay

A Ruby gem for Verifi.com's Hosted Payment Pages API.

A simple payu payment gem

Yellow SDK. A ruby module to easily integrate with the Yellow bitcoin payments API.

This is the gem for unitpay payment api

Wrapper around stripe.js to make Opal payments easier

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