Offsite payments using the Dutch Omnikassa service from Rabobank.

PayU.in payment gateway integration for Spree

Redsys is an Spanish payment gateway.

Przelewy24 payment system for Spree

IFMB payments for spree

Adds Dwolla as a Payment Method to Spree

Add iDEAL payment to spree

Accept bitcoin payments on your Spree store with Coinbase.

Adds Komerci as a Payment Method to Spree Commerce

Aprova Fácil Payment Gateway to Spree

Add Payment GayeWay GGE4

OffsitePayments for Allpay

Affirm payment Gateway for Spree

Adds PayPal Express as a Payment Method to Spree Commerce

Payment method for onpay.ru

Midtrans payment gateway for Spree framework

Additional Payment Gateways for Spree Commerce using Veritrans

Handles payment processing with STAPI

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

Wrapper around stripe.js to make Opal payments easier