Agile Software Development is a set of principles for software development under which requirements and solutions evolve through the collaborative effort of self-organizing and cross-functional teams. It advocates adaptive planning, evolutionary development, early delivery, and continual improvement, and it encourages flexible responses to change.
The Agile Manifesto, which was created by a group of software developers in 2001, outlines the key principles of Agile Software Development:
Individuals and interactions over processes and tools: Agile methodologies place a premium on effective communication and collaboration.
Working software over comprehensive documentation: Agile developers focus on delivering working software as quickly as possible and then improving it over multiple iterations.
Customer collaboration over contract negotiation: Agile development involves the customer in the development process to ensure the product meets their needs.
Responding to change over following a plan: Agile development is all about being able to respond to changes in the business environment or technology landscape.
Agile Software Development is not a methodology in itself, but it encompasses various methodologies and practices, including:
Scrum: This is a framework that involves a set of practices for managing and incrementing a product’s development in a flexible and holistic manner. It's based on a sprint-based project timeline.
Kanban: This is a visual system for managing work as it moves through a process. It visualizes both the process and the actual work passing through that process.
Extreme Programming (XP): This methodology emphasizes customer satisfaction and promotes the delivery of high-quality software quickly and continuously.
Agile Software Development offers several benefits:
Flexibility and adaptivity: Agile teams can adapt to changes quickly and efficiently.
Customer satisfaction: By involving the customer throughout the development process, Agile ensures that the end product meets the customer's needs and expectations.
Risk management: Regular iterations allow for testing and review, ensuring that errors or issues are caught and dealt with early.