A compact reference on software architecture — concepts, trade-offs, and structural decisions.

• Foundations
  • Modularity
  • Component Principles
  • Glossary
• Quality Attributes
  • Functional Suitability
    • Functional Completeness
    • Functional Correctness
    • Functional Appropriateness
  • Performance Efficiency
    • Time Behaviour
    • Resource Utilisation
    • Capacity
  • Compatibility
    • Co-existence
    • Interoperability
  • Usability
    • Appropriateness Recognisability
    • Learnability
    • Operability
    • User Error Protection
    • User Interface Aesthetics
    • Accessibility
  • Reliability
    • Maturity
    • Availability
    • Fault Tolerance
    • Recoverability
  • Security
    • Confidentiality
    • Integrity
    • Non-repudiation
    • Accountability
    • Authenticity
  • Maintainability
    • Modularity
    • Reusability
    • Analysability
    • Modifiability
    • Testability
  • Portability
    • Adaptability
    • Installability
    • Replaceability
• Architecture Styles & Patterns
  • Layered Architecture
  • Hexagonal / Ports & Adapters
  • Modular Monolith
  • Microservices
  • Event-Driven Architecture
• Design Patterns
• System Design Core Topics
• Cloud & Deployment Architecture
• Architecture Communication
• Architecture Decision Making
• Architect Role & Responsibilities
  • Stakeholder Management
  • Team Alignment
  • Risk Analysis
  • Architecture Decision Records (ADRs)

Pull requests are always welcome.