WooCommerce

WooCommerce is a free, open-source eCommerce plugin built for WordPress websites. Automattic acquired it in 2015. It solves the problem of building an online store without needing a separate platform.

Features

• Product Management: Supports simple, variable, grouped, and digital products with SKU tracking and inventory controls.
• Payment Gateway Integration: Connects natively with Stripe, PayPal, Square, and 100+ third-party payment processors via extensions.
• Extensible Plugin Ecosystem: Offers 800+ official extensions covering subscriptions, bookings, Zapier automation, and Mailchimp sync.
• Tax and Shipping Automation: Calculates real-time shipping via UPS, FedEx, and USPS APIs with automated tax rules by region.
• Detailed Sales Reporting: Generates revenue, order, and customer reports exportable as CSV files directly from the dashboard.

Use Cases

• For Small Business Owners: Launch a fully functional online store using existing WordPress sites without extra platform costs.
• For Developers: Build custom storefronts using WooCommerce REST API endpoints and hooks for client projects.
• For Digital Creators: Sell downloadable files, courses, or memberships with built-in license key and access controls.
• For Agencies: Manage multiple client stores with role-based access, white-label options, and scalable hosting configurations.

TL;DR: WooCommerce is a powerful, flexible eCommerce plugin that works inside WordPress. It suits a wide range of sellers but requires ongoing plugin and hosting management.