What Is Agile? A Complete Beginner's Guide

Certify Academy·March 1, 2026
What Is Agile? A Complete Beginner's Guide

Introduction to Agile

Agile is a project management and software development approach that helps teams deliver value to their customers faster and with fewer headaches. Instead of betting everything on a "big bang" launch, an Agile team delivers work in small, consumable increments.

The Agile Manifesto

In 2001, seventeen software developers met to discuss lightweight development methods. They published the Manifesto for Agile Software Development, which established four key values:

  • Individuals and interactions over processes and tools
  • Working software over comprehensive documentation
  • Customer collaboration over contract negotiation
  • Responding to change over following a plan

Key Agile Principles

The Agile Manifesto also includes twelve principles that guide teams in their day-to-day work. These principles emphasize early and continuous delivery of valuable software, welcoming changing requirements, and delivering working software frequently.

Popular Agile Frameworks

Several frameworks implement Agile principles, including:

  • Scrum — The most widely used Agile framework, organized around sprints and defined roles
  • Kanban — A visual approach to managing work that focuses on continuous flow
  • SAFe — Scaled Agile Framework for enterprise-level Agile adoption
  • XP (Extreme Programming) — Focuses on technical practices for high-quality software

Getting Started with Agile

If you are new to Agile, start by understanding the core values and principles. Then, choose a framework that aligns with your team size and project needs. Certifications like CSM or PSM can provide structured learning and industry recognition.