Software Design Patterns

aid: software-design-patterns
name: Software Design Patterns
description: Software design patterns are reusable solutions to commonly occurring problems in software design. Originally
  catalogued by the Gang of Four (GoF) in 1994, they include 23 patterns organized into Creational (Factory, Builder, Singleton,
  Prototype, Abstract Factory), Structural (Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy), and Behavioral
  (Chain of Responsibility, Command, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor, Interpreter)
  categories.
url: https://raw.githubusercontent.com/api-evangelist/software-design-patterns/refs/heads/main/apis.yml
tags:
- Architecture
- Best Practices
- Object-Oriented Programming
- Software Engineering
- Design Patterns
- Gang of Four
- Creational Patterns
- Structural Patterns
- Behavioral Patterns
created: '2026-05-02'
modified: '2026-05-02'
specificationVersion: '0.19'
apis:
- aid: software-design-patterns:refactoring-guru
  name: Refactoring.Guru Design Patterns
  description: Refactoring.Guru is a comprehensive catalog of software design patterns with examples in multiple programming
    languages. It covers all 23 Gang of Four patterns, enterprise patterns, and provides code examples in Java, C#, Python,
    PHP, TypeScript, Go, and other languages.
  humanURL: https://refactoring.guru/design-patterns
  baseURL: https://refactoring.guru/
  tags:
  - Design Patterns
  - Gang of Four
  - Refactoring
  - Best Practices
  - Object-Oriented Programming
  properties:
  - type: Documentation
    url: https://refactoring.guru/design-patterns
  - type: Website
    url: https://refactoring.guru/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/software-design-patterns/refs/heads/main/json-schema/design-pattern-schema.json
  - type: JSONStructure
    url: https://raw.githubusercontent.com/api-evangelist/software-design-patterns/refs/heads/main/json-structure/design-pattern-structure.json
- aid: software-design-patterns:patterns-dev
  name: Patterns.dev
  description: Patterns.dev is a free online resource covering modern design, rendering, and performance patterns for building
    web applications. It covers JavaScript and React patterns including Singleton, Observer, Module, Mixin, Mediator, Prototype,
    Command, Flyweight, Factory, and Compound patterns.
  humanURL: https://www.patterns.dev/
  baseURL: https://www.patterns.dev/
  tags:
  - JavaScript
  - React
  - Web Development
  - Design Patterns
  - Performance Patterns
  properties:
  - type: Documentation
    url: https://www.patterns.dev/
  - type: Website
    url: https://www.patterns.dev/
common:
- type: DomainSecurity
  url: security/software-design-patterns-domain-security.yml
- type: Reference
  url: https://refactoring.guru/design-patterns
- type: Reference
  url: https://www.patterns.dev/
- type: Reference
  url: https://www.gofpattern.com/
- type: Reference
  url: https://springframework.guru/gang-of-four-design-patterns/
- type: Reference
  url: https://en.wikipedia.org/wiki/Design_Patterns
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/software-design-patterns/refs/heads/main/json-ld/software-design-patterns-context.jsonld
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/software-design-patterns/refs/heads/main/vocabulary/software-design-patterns-vocabulary.yml