Frameworks developed based on Design Patterns
1-Membership: Singleton, Factory Method, Builder, Abstract Factory, Façade, Proxy, CoR, Strategy, Template Method, Interpreter
2-Page Navigation: Singleton, Factory Method, Abstract Factory, Composite, Façade, Bridge, Template Method, Mediator, State
3-Data Access: Singleton, Factory Method, Façade, Flyweight, Strategy
4-Recommendation: Singleton, Adapter, Decorator, Strategy, Template Method, Observer