Easily accept payments from different payment providers such as Stripe, Paypal, Postfinance and SIX.

Automate mobile money payments, bank transfers and more..

Ruby gem for interacting with Armor Payments.

This is a Ruby-on-Rails engine to use the Barion Payment Gateway in any RoR application.

Alternative Payments ruby gem sdk. Accept local payments from all over the world

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 payments to invoices or invoice items. It also includes application hooks to make it easy to add electronic bill pay functionality to Web applications.

The CompassAE Commerce Engine uses the engines that implement Parties, Products and Orders, and adds the ability to conduct commerce. It implements a pricing engine, fees, payment gateways.

With mechanize store you will have Product, ProductPhoto, ProductCategory, Order, OrderStatus, Payment, PaymentStatus, OrderItem and ProductItem

Wildland Rails Payment module.

This gem helps to simplify the integration to Powerpay21 Payment gateway for Ruby applications

SDK Integration with Apolopag Payment

[Deprecated] The PayPal Permission SDK provides Ruby APIs for developers to request and obtain permissions from merchants and consumers, to execute APIs on behalf of them. The permissions include variety of operations from processing payments to accessing account transaction history

A simple gem to calculate amortizing loan payments, as part of training at Samyukti

ActivePayment is an abstraction layer for different Payment-Interfaces (XML, JSON)

REST API Client for iPay payment gateway

PayU.in Payment Gateway integration for ActiveMerchant

Unofficial fork. Integrate with the Fat Zebra internet payment gateway (www.fatzebra.com.au), including purchase, refund, auth, capture and recurring billing functionality.

PayUMoney.com Payment Gateway integration for ActiveMerchant

API Wrapper for SinoPac FunBiz Payment

This gem contains class for scheme, mandate, direct debit, payment schedules and account info