OOP Design Patterns

https://www.dofactory.com/net/design-patterns

Gang of Four - Design Patterns - Elements of Reusable Object-Oriented Software.pdf

Creational

Builder
Factories
Prototype
Singleton
Registry

Structural

Adapter
Bridge
Composite
Decorator
Façade
Flyweight
Proxy
Context Object

Behavioural

Chain of Responsibility
Command
Iterator
Mediator
Memento
Null Object
Observer
State
Strategy
Template Method

Interpreter
Visitor