WooCommerce - A freely available eCommerce plugin that enables shop facilities on your WordPress website. Functionality enabling extensions & beautiful themes available.
Enqueue It - Easy and scalable solution for manage and execute background tasks seamlessly in .NET applications. It allows you to schedule, queue, and process your jobs and microservices efficiently.
OpenCart - A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.s
Hangfire - An easy way to perform background processing in .NET and .NET Core applications.
PrestaShop - Create your online store with PrestaShop's free shopping cart software. Build an ecommerce website for free and start selling online with hundreds of powerful features.
Sidekiq - Sidekiq is a simple, efficient framework for background job processing in Ruby