Ready-to-Use Architectural Templates
UML Diagram Template Gallery
Jumpstart your system architecture modeling with production-quality templates for Class, Use Case, Sequence, and Activity diagrams.
class Diagram4 Elements
Basic Authentication & Database
Clean starter architecture featuring User model, AuthService, and Database connection.
#Class Diagram#Starter#Auth#Backend
class Diagram6 Elements
Hospital Management System
UML Class Diagram modeling Person, Patient, Doctor, Nurse, Hospital and Departments.
#Class Diagram#Healthcare#Inheritance#Polymorphism
class Diagram4 Elements
E-commerce Platform Architecture
UML diagram with Customer, Product, Order, and Payment processing.
#Class Diagram#E-commerce#Payments#Online Store
class Diagram4 Elements
Library Management System
UML diagram featuring Student, Book, IssueRecord, and Use Case.
#Class Diagram#Education#Library
usecase Diagram5 Elements
User Authentication Use Case
UML Use Case diagram modeling Actor, Login, Register, Verify MFA with <<include>> and <<extend>>.
#Use Case#Authentication#Security#Actors
sequence Diagram4 Elements
Order Processing Sequence
Sequence diagram showing message flows between Customer, WebApp, OrderService, and PaymentGateway.
#Sequence Diagram#Interactions#Messages#Lifelines
activity Diagram5 Elements
Checkout Flow Activity Diagram
Activity diagram showing initial node, decisions, actions, and final completion states.
#Activity Diagram#Workflows#Decisions#Process