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

SDK to communicate with the Online Payments platform using the Online Payments Server API

Ruby client for the protocol type API provided by GMO Payment Gateway.

Use BigFish's payment methods in your ruby project.

Payment Info Plugin allows you to add all credit card information in a single input

Wrapper classes and utilities to speed up payment gateway integration

Skrill payments

A wrapper for the Pin Payments (https://pin.net.au/) API

Kaznachey payments api

ErpInvoicing adds models and services to the CompassAE core to handle invoicing and billing functions. It includes extensions to the core ERP classes for accounts and things that are 'billable' (products, work efforts), and additional models for the invoices/items, payments and the application of...

iDEALv3 payment gateway (see http://www.ideal.nl)

This gem maps to the BB Payments API

Spree Payment gateway for Komoju payment gateway

CCCAvenue Payment Gateway - CCAvenue billing page (Non-Seamless)

Ruby Gem to use the Quickbooks Payments REST API

A payments module for Rails

Solidus extension to allow payment methods to be restricted by zones

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

Enable spree store to allow payment via PAGA Gateway (an online payment solution for Africa).

Enable spree store to allow payment via UnifiedPayment