The document provides an overview of several popular software development methodologies and frameworks, including Scrum, Extreme Programming (XP), Lean Software Development, the Unified Process (UP), Rational Unified Process (RUP), Dynamic Systems Development Method (DSDM), PRINCE2, the Project Management Body of Knowledge (PMBOK), and the Capability Maturity Model Integration (CMMI). It summarizes the origins and key aspects of each methodology.