The following are the twelve principles of the agile model:
- Customer satisfaction through early and continuous delivery of useful software.
- Welcome changing requirements, even late in development.
- Working software is frequently delivered (in weeks, rather than months).
- Close daily cooperation between businesses, people, and developers.
- Projects are built around motivated individuals, who should be trusted.
- Face-to-face conversation is the best form of communication (co-location).
- Working software is the principal measure of progress.
- Sustainable development—able to maintain a constant pace.
- Continuous attention to technical excellence and good design.
- Simplicity—the art of maximizing the amount of work not done—is ...