## TL;DR

Agile (2001) prioritizes: Individuals over processes, Working software over documentation, Customer collaboration over contract negotiation, Responding to change over following a plan. Frameworks: Scrum, Kanban, XP (Extreme Programming). Agile is not 'no planning' — it's continuous planning.

## Core Explanation

Scrum: Product Owner (prioritizes backlog), Scrum Master (facilitates), Development Team. Sprints: 1-4 weeks, daily standups (15 min), sprint review (demo), retrospective (improve process). Kanban: visual board (To Do → In Progress → Done), WIP limits, continuous delivery. Agile at scale: SAFe, LeSS, Spotify model (squads/tribes).

## Further Reading

- [Manifesto for Agile Software Development](undefined)