There are three groups:
Creational with:
- Singleton
- Builder
- Prototype
- Factory
- Abstract Factory
Structural with:
- Adapter
- Bridge
- Composite
- Decorator
- Facade
- Flyweight
- Proxy
Behavioral with:
- Chain of Responsibility
- Command
- Interpreter
- Mediator
- Memento
- Observer
- State
- Strategy
- Template
- Visitor