Design Principles
An open source repository of design principles and methods
Design Principles launched on December 12, 2017 with 920 votes, #3 of 2,482 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Design Principles is an open source repository that helps users understand and create design principles. Launched in 2017, the resource serves designers and teams looking to establish foundational guidelines for their work. It provides a collection of design principles and methodologies organized for easy reference and learning.
written from the facts on this page · September 2026
From the sources
principles.design is an open source resource created to help you understand and create Design Principles.
A curated collection of design principles used as decision-making frameworks. Practical examples and guidance for teams building products.
Design principles are clear statements that help teams make consistent decisions and trade-offs when designing products, services, or systems. They articulate what matters most and provide a shared foundation for decision-making. Applying design principles fosters a cohesive problem-solving approach, promoting efficiency, consistency and user-centricity. Organisations, individuals, design system and product teams have benefited from writing and following their principles. Take a look at some examples below. Five short emails on how to make better design decisions with design principles, straight to your inbox. Paste them in and find out which ones actually guide a decision. It's free and…from principles.design
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