Active Merchant is a simple payment abstraction library extracted from Shopify. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways.

MIT License

active_merchant

Magento 2 GDPR module is a must have extension for the largest e-commerce CMS used in the world. The module helps to be GDPR compliant. Actually it allows the customers to erase, or export their personal data. As a merchant you have powerful tools to customize the extension capabilities and apply the finest privacy rules.

magento2-gdpr

🌟 A curated list of Bitcoin payment processors enabling merchants, businesses and nonprofits to accept Bitcoin payments.

Creative Commons Zero v1.0 Universal

awesome-bitcoin-payment-processors

Other

merchant-sdk-dotnet

merchant-sdk-ruby

A Django app to accept payments from various payment processors via Pluggable backends.

BSD 3-Clause "New" or "Revised" License

merchant