Browse diagram templates for Class Diagram, compare formats, and start faster with AI-ready examples.
Filter by language or use case, preview templates, and jump into related docs before you start generating your own diagram.

Class diagram for warehouse inventory system with products, suppliers, and orders

Class diagram for social media platform with users, posts, comments, and relationships

Class diagram for banking application with accounts, transactions, and customer relationships

Class model for subscription lifecycle and billing entities. Starter template grounded in the Class Basics D2 syntax pattern.

Class model for subscription lifecycle and billing entities. Operations variant that adds invoice generation and customer billing linkage.

Class model for subscription lifecycle and billing entities. Enterprise variant that adds coupon rules and audit trail support for pricing events.