Android Design

These design principles were developed by and for the Android User Experience Team to keep users’ best interests in mind. Consider them as you apply your own creativity and design thinking. Deviate with purpose.

BBC – GEL (Global Experience Language)

The GEL guidelines are a reference point for all designers creating BBC websites (future iterations will also incorporate mobile and IPTV recommendations).

Design Principles

The design of this site should allow the content to dictate its layout and appearance, not the other way round.

iOS Human Interface Guidelines

iOS Human Interface Guidelines describes the guidelines and principles that help you design a superlative user interface and user experience for your iOS app.

Uability Guidelines

MIT Usability Guidelines

Styleguides for the Web

What Is a Styleguide? Documents that explain how a brand is constructed, often using examples of how to use—and how not to use—the various brand assets they’ve created.

IBM Design Principles