Adds PayPal Express as a Payment Method to Spree Commerce

Add PayPal Adaptive Payments to Spree store

Easy validation and processing of Paypal IPN payments

Merchant Paypal provides Ruby APIs dealing with Palpal transactions.

Provides Paypal payment integration for spree

Spree Commerce PayPal Checkout payment gateway integration

Bogus Gateway useful for testing applications using ActiveMerchant with Paypal

A Shoppe module to assist with the integration of PayPal.

Paypal payment plugin using ActiveMerchant for use with Lolita CMS

Paypal express checkout plugin

Wrapper for PayPal's merchant-sdk-ruby library

Rails javascript plugin for calculating PayPal fees

Paypal Currency Exchange Library

"A gem to support PayPal Permissions API for Rails applications using ActiveMerchant."

Adds PayPal Express as a Payment Method to Spree store

Module for Paypal payment functionality in the Trado Ecommerce platform.

Paypal Express Integration

Lightweight wrapper for Paypal's Adaptive Payments API.

Faraday based API client for the PayPal REST API. Includes support for saving the authentication token and limited release endpoints.

simple check at paypal create payment heartcheck