Agile developmentAgile Development Agile development is a methodology that promotes continuous iteration of development and testing throughout the project's software development lifecycle. It advocates adaptive planning, evolutionary development, early delivery, and continual improvement, encouraging rapid and flexible response to change. is a methodology that promotes continuous iterationIteration A specific time frame in which development takes place. The duration may vary from project to project but typically lasts from one to four weeks. At the end of each iteration, a working product should be delivered. of development and testing throughout the project’s software development lifecycle. It advocates adaptive planning, evolutionary development, early delivery, and continual improvement, encouraging rapid and flexible response to change.