Agile methodology refers to a disciplined project management process encouraging frequent inspection and adaptation. Before the Agile methodology methods of software development tended to be slow, bureaucratic and inconsistent creating the need for a more adaptive method of software development. Agile methodology encourages teamwork, self-organization, and accountability. Most agile development teams comprise 5-9 employees and a single customer representative that work in a single open office to promote teamwork and cooperation.
Working software delivered frequently to customers
Software is a measure of progress
Even late changes are welcome
Constant cooperation between business people and developers