Spiral model
Introduction Spiral model is a software development methodology which is the combination of iterative model and waterfall model. It is a risk driven software development model.
Rapid Application Development (RAD)
Introduction Rapid application development(RAD) is a part of an agile methodology. It primarily is focused on rapid prototype releases and iterations based on feedback.
Software Development Methodology- Benefits & Drawbacks
Introduction Software development methodology is the series of process useful for software development. It is a special way of handling software development projects.