Class diagram showing the Observer pattern with EventEmitter, subscribers, and typed event handling.
ER diagram of a complete e-commerce database with users, products, orders, payments, and reviews.
ER diagram for a multi-tenant SaaS application with organizations, members, roles, and subscription billing.
ER diagram for a social media platform with users, posts, comments, likes, follows, and notifications.
ER diagram for a headless CMS with pages, blocks, media, and versioned content publishing workflow.
Class diagram for an RBAC system with users, roles, permissions, and resource-level access policies.
ER diagram for warehouse inventory tracking with products, warehouses, stock levels, and transfer orders.