What makes the quality of an application? A beautiful design, the latest framework that everyone is talking about? Mmmm ... not really.
Adaptability : ability to support the addition of extra features
Confidentiality (security) : protection against unauthorized access
Compliance : deliverable meets specifications and requirements
Couplability : Ability to communicate with other systems
Portability : Independence from the platform
Reusability : ease of reuse of elements in other projects