Introduction

Before Agile became a word on every product and engineering roadmap, it started as a conversation among people tired of slow, rigid software delivery. That conversation became the Agile Manifesto. It gave teams a simple way to prioritize people, working software, customer feedback, and adaptability. This guide explains what the Agile Manifesto is, how its four values and 12 principles work, and why they still shape Agile software development today.

What is the Agile Manifesto?

The Agile Manifesto is a short statement created in 2001 to improve how teams build software. It introduced four core values and 12 guiding principles that shaped modern Agile software development. Instead of focusing heavily on rigid planning, documentation, and sequential delivery, the manifesto encouraged teams to prioritize collaboration, working software, customer feedback, and adaptability.

Today, the Agile Manifesto values continue to influence how product, engineering, and project teams plan, build, and deliver work across industries.

For example, instead of spending months building every planned feature upfront, an Agile team may release a smaller version early, collect feedback, and refine the product over time.

Why was the Agile Manifesto created?

Before the Agile Manifesto, many software teams followed long development cycles built around fixed plans, extensive documentation, and sequential handoffs. Projects often took months or even years to deliver, while customer expectations, market priorities, and product requirements continued evolving throughout the process.

The result was a growing gap between what teams planned to build and what users actually needed by the time the software shipped. The Agile Manifesto emerged in response to that challenge, offering teams a more adaptive and collaborative approach to Agile software development.

The problem with traditional software development approaches

Traditional software development approaches relied heavily on upfront planning.

• Teams spent significant time defining requirements, documenting workflows, estimating timelines, and approving delivery phases before development even began.
• This structure worked reasonably well for predictable projects, but software development rarely stayed predictable for long.
• Customer expectations changed, business priorities shifted, and teams discovered new information during development.
• Long delivery cycles made adaptation difficult, especially when feedback arrived late in the process.

For example, a team following a fixed annual plan may struggle when customer needs shift mid-project. Features planned months earlier may lose relevance, while urgent customer requests compete against already locked timelines and scope. Agile emerged as a better response to that reality.

Heavy process layers also created communication gaps between business stakeholders, developers, designers, and customers. Teams are optimized for plan execution instead of continuous learning and feedback.

The 2001 Snowbird meeting

In February 2001, 17 software practitioners met at a ski resort in Snowbird, Utah, to discuss better ways to build software. The group included leaders and contributors from multiple lightweight software development approaches, including Scrum, Extreme Programming, Crystal, Adaptive Software Development, and others.

Although these approaches differed in execution, the participants shared similar frustrations with rigid software delivery models. Their discussions led to the creation of the Agile Manifesto, a concise statement centered on four values and 12 principles that continue to shape modern Agile practices.

What they were trying to change

The creators of the Agile Manifesto wanted software development to become more responsive, collaborative, and customer-focused. Instead of treating software delivery as a linear process with fixed assumptions, they promoted shorter feedback cycles, closer communication, continuous improvement, and adaptability throughout the development process.

The manifesto encouraged teams to:

• Deliver working software more frequently
• Collaborate closely with customers
• Adapt plans as priorities evolve
• Build around motivated, cross-functional teams
• Improve continuously through feedback and iteration

These ideas became the foundation of modern Agile software development and later influenced frameworks such as Scrum, Kanban, Lean, and Extreme Programming.

Who wrote the Agile Manifesto?

The Agile Manifesto was created in 2001 by a group of software practitioners who wanted a more adaptive and practical approach to software development. Their collaboration shaped many of the ideas that later influenced modern Agile software development practices.

The 17 authors behind the Agile Manifesto

Seventeen practitioners co-created the Agile Manifesto during the Snowbird meeting in Utah. The group included Kent Beck, Martin Fowler, Ward Cunningham, Jeff Sutherland, Ken Schwaber, Alistair Cockburn, Jim Highsmith, Robert C. Martin, and several other influential software leaders.

Many of them later contributed to Agile frameworks, engineering practices, and product delivery methods that remain widely used today.

Why their perspective mattered

The authors came from different software development backgrounds and approaches, including Scrum, Extreme Programming, Crystal, Adaptive Software Development, and Lean thinking. Despite their differences, they shared a common frustration with heavyweight delivery models built around rigid planning, excessive documentation, and slow release cycles.

Their combined experience helped shape the Agile Manifesto values and principles, emphasizing collaboration, adaptability, customer feedback, and the continuous delivery of working software.

The 4 values of the Agile Manifesto

The core of the Agile Manifesto is based on four values that have changed how teams approach software development. These values helped teams move away from rigid delivery models and focus more on collaboration, adaptability, and customer value.

1. Individuals and interactions over processes and tools

This value highlights the importance of communication and teamwork in software delivery. Processes and tools help teams stay organized, but collaboration drives faster decisions and smoother execution. A cross-functional team that solves blockers through direct conversations often moves work forward faster than teams that rely heavily on formal handoffs and layered approvals.

For example, a product manager, designer, and developer discussing a bug together can quickly resolve confusion and reduce delays in delivery.

2. Working software over comprehensive documentation

The Agile Manifesto values working software as the clearest sign of progress. Documentation still supports planning, onboarding, and technical clarity, but delivering usable software creates faster feedback and stronger learning cycles. Instead of spending weeks refining requirements documents up front, Agile teams focus on building, testing, and improving continuously.

For example, a team may release a usable feature early to collect customer feedback and refine the product based on real usage.

This value later influenced practices such as iterative releases, MVP development, and continuous delivery.

3. Customer collaboration over contract negotiation

This value encourages teams to work closely with customers throughout development, rather than treating requirements as fixed from the outset. Customer needs evolve during product development. Continuous feedback helps teams adjust priorities, improve usability, and deliver outcomes that stay aligned with user expectations.

For example, a product team reviewing prototypes with users every sprint can identify gaps early and improve the product before larger development cycles begin.

Modern Agile teams often apply this value through sprint reviews, customer interviews, beta testing, and product discovery sessions.

4. Responding to change by following a plan

Planning remains important in Agile teams, but adaptability matters equally. Software projects operate in fast-changing environments where priorities, customer needs, and business goals can shift quickly. Agile teams continuously reassess their work rather than treating plans as fixed from the start.

For example, a team may adjust sprint priorities after discovering that a customer-requested feature has suddenly become business-critical.

This value helped teams adopt shorter planning cycles, flexible roadmaps, and continuous backlog refinement.

What the 4 values mean in practice

Together, the four Agile Manifesto values encourage teams to:

• Collaborate closely
• Deliver working software faster
• Learn from customer feedback continuously
• Adapt as priorities evolve

These ideas became the foundation for modern Agile frameworks such as Scrum, Kanban, and Lean, while continuing to shape how software teams plan, build, and improve products today.

The 12 principles behind the Agile Manifesto

Along with the four core values, the Agile Manifesto introduced 12 principles that guide how Agile teams plan, collaborate, deliver, and improve software. These principles helped shape modern Agile software development practices across product, engineering, and operations teams.

1. Satisfy customers through early and continuous delivery

The first principle focuses on delivering customer value continuously rather than waiting for a single large release at the end of a project. Agile teams break work into smaller increments so customers can start using features earlier and provide feedback throughout development.

Frequent delivery also reduces the risk of spending months building features that customers may no longer need by the time they launch.

2. Welcome changing requirements, even late in development

The Agile Manifesto treats change as part of software development rather than as a disruption to be avoided. Customer priorities, market conditions, technical constraints, and product direction can evolve quickly during a project.

Agile teams continuously reassess priorities and adapt their plans based on new information. This flexibility helps teams stay aligned with customer and business needs instead of following outdated assumptions.

3. Deliver working software frequently

Agile teams prioritize shorter delivery cycles with consistent releases of usable software. Frequent delivery creates faster feedback loops and improves visibility into progress. Instead of measuring success through documentation, approvals, or completed tasks alone, Agile teams focus on shipping working outcomes that customers and stakeholders can evaluate directly.

4. Business and development teams should work together daily

Strong collaboration between business stakeholders and development teams improves alignment throughout the product lifecycle. Product managers, engineers, designers, operations teams, and leadership all contribute to better delivery decisions when communication remains continuous. Daily collaboration also helps teams resolve blockers earlier and reduce misunderstandings around priorities, requirements, and scope.

5. Build projects around motivated individuals

The Agile Manifesto values motivated teams that have the support, trust, and autonomy needed to do meaningful work. Teams perform better when people clearly understand goals and have ownership of execution. Agile environments encourage collaboration, shared responsibility, and continuous learning rather than rigid command-and-control structures.

6. Face-to-face conversation is the most effective communication method

Direct communication improves clarity and speeds up decision-making. Agile teams benefit from real-time discussions where stakeholders can ask questions, share context, and resolve uncertainty quickly. Today, face-to-face communication also extends to video calls, collaborative planning sessions, and real-time team discussions across distributed work environments.

7. Working software is the primary measure of progress

The Agile Manifesto emphasizes outcomes over activity. Teams measure progress based on usable software that delivers value rather than the amount of planning, documentation, or task completion alone. This principle encouraged many modern Agile practices such as iterative delivery, demos, release reviews, and incremental product development.

8. Agile processes support sustainable development

Agile teams aim for a sustainable pace that supports long-term delivery quality. Consistent execution helps teams maintain productivity, technical quality, and team health over time.

Delivery models built around constant overload, rushed deadlines, and burnout often create technical debt and unstable release cycles that slow progress later.

9. Continuous attention to technical excellence improves agility

Technical quality directly affects a team’s ability to move quickly and adapt safely. Clean architecture, maintainable code, automated testing, observability, and reliable infrastructure help teams release software with greater confidence. Teams with strong engineering practices often adapt to changing priorities more effectively because their systems remain easier to modify and scale.

10. Simplicity is essential

The Agile Manifesto encourages teams to focus on solving the right problems with the simplest, most effective solution. Simplicity reduces unnecessary complexity in processes, workflows, features, and technical implementation. Agile teams continuously evaluate where effort creates meaningful customer value and where additional work adds little impact.

11. Self-organizing teams create stronger solutions

Agile teams perform best when people collaborate closely and make decisions together during execution. Self-organizing teams adjust workflows, solve delivery challenges, and improve processes without relying heavily on top-down coordination for every decision. This structure supports faster problem-solving and stronger ownership across product and engineering teams.

12. Regular reflection improves team effectiveness

Continuous improvement remains one of the core principles of the Agile Manifesto. Agile teams regularly evaluate how work is planned, delivered, and communicated to improve over time. For example, a team using retrospectives after each sprint may identify recurring bottlenecks in approvals or testing workflows and adjust their process to improve future delivery cycles.

This principle shaped many modern Agile practices around retrospectives, delivery reviews, process improvement, and operational learning.

Why the Agile Manifesto matters

The Agile Manifesto still matters because modern software teams work in fast-changing environments where customer expectations, priorities, and business goals evolve continuously. Its principles help teams stay flexible, collaborative, and focused on consistently delivering value.

1. It helps teams deliver value faster

The Agile Manifesto encourages teams to work in shorter delivery cycles rather than waiting months for large releases. Shorter cycles help teams collect feedback earlier and improve features while development is still active. This approach reduces wasted effort and gives customers faster access to useful updates.

2. It makes teams more adaptable

Customer needs and market priorities can shift quickly during product development. Agile teams continuously adjust plans, priorities, and workflows based on new information. This flexibility helps teams stay aligned with business goals without completely slowing delivery.

3. It improves collaboration across functions

The Agile Manifesto principles encourage product managers, engineers, designers, and stakeholders to work closely throughout development. Shared ownership improves communication, reduces delays, and helps teams make faster decisions together.

4. It supports continuous improvement

Agile focuses on continuous learning and improvement, not just on delivering quickly. Teams regularly review how work is planned, executed, and shipped to improve over time. For example, a product team may use customer feedback, sprint reviews, and retrospectives to improve both the product and the delivery process after every sprint.

Agile Manifesto vs. Agile frameworks

Many teams use the terms Agile, Scrum, and Kanban interchangeably, but they represent different things. The Agile Manifesto defines the mindset and principles behind Agile work, while frameworks such as Scrum and Kanban provide structured ways to apply those ideas in practice.

Is the Agile Manifesto the same as Agile methodology?

The Agile Manifesto is not a methodology or delivery framework. It is a set of values and principles that guide teams' approach to software development, collaboration, planning, and customer feedback.

Frameworks and methodologies build on those principles in different ways, depending on how teams prefer to organize their work.

Agile Manifesto vs. Scrum

Scrum is one of the most widely used Agile frameworks. It gives teams a structured way to apply Agile Manifesto principles through defined roles, sprint cycles, ceremonies, and backlog management. For example, Scrum teams often work in fixed-length sprints, hold daily standups, and review progress during sprint reviews and retrospectives.

The Agile Manifesto explains the mindset behind those practices, while Scrum defines how the workflow operates.

Agile Manifesto vs. Kanban

Kanban is another framework teams use to apply Agile thinking. It focuses heavily on workflow visibility, continuous delivery, and improving the flow of work across systems.

Instead of fixed sprint cycles, Kanban teams usually manage work through visual boards, work-in-progress limits, and continuous prioritization. This approach helps teams improve adaptability and delivery flow while staying aligned with core Agile software development principles.

Why this distinction matters

Understanding the difference helps teams choose workflows that fit their delivery style, team structure, and operational needs. For example, two teams can both work in an Agile way, even if one uses Scrum ceremonies and the other uses Kanban boards with continuous flow.

The framework may differ, but both teams can still follow the same Agile Manifesto values around collaboration, adaptability, customer feedback, and continuous improvement.

Final thoughts

The Agile Manifesto changed how software teams think about planning, collaboration, delivery, and customer value. More than a framework or process model, it introduced a mindset centered on adaptability, continuous learning, and close collaboration with customers throughout the development process.

Its four values and 12 principles still influence modern Agile software development because the challenges teams face today remain deeply connected to speed, alignment, communication, and changing priorities. Whether a team follows Scrum, Kanban, or another Agile framework, the core ideas of the manifesto continue to shape how successful teams build and improve products over time.

Frequently asked questions

Q1. What are the 4 Agile Manifesto values?

The four Agile Manifesto values are:

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

These values form the foundation of modern Agile software development practices.

Q2. What was the Agile Manifesto?

The Agile Manifesto was a short statement created in 2001 by 17 software practitioners to improve how teams build software. It introduced four values and 12 principles focused on collaboration, adaptability, continuous delivery, and customer feedback.

Q3. What are the 12 principles of Agile project management?

The 12 Agile principles focus on:

• Early and continuous delivery
• Welcoming change
• Frequent releases
• Collaboration between business and development teams
• Motivated individuals
• Effective communication
• Working software
• Sustainable development
• Technical excellence
• Simplicity
• Self-organizing teams
• Continuous improvement

These principles guide how Agile teams plan, build, and improve products.

Q4. What are the four pillars of Agile?

The phrase “four pillars of Agile” usually refers to the four values of the Agile Manifesto:

• Collaboration between people
• Working software
• Customer involvement
• Adaptability to change

These values shaped many Agile frameworks, including Scrum and Kanban.

Q5. What are the 5 C's of Agile?

The 5 C’s of Agile commonly refer to:

• Communication
• Collaboration
• Commitment
• Courage
• Continuous improvement

Different organizations may define them slightly differently, but they generally represent the behaviors and mindset that support Agile teams and workflows.