Have you ever wondered how much detail goes into designing a desktop or mobile interface? These user interface guidelines will give you insight into how the top tech companies design.

They explain pixel specifications, naming conventions, best practices and other standardized methods they use to design their user interfaces. By adopting a systematic approach to design, these companies are able to deliver a stable and consistent user experience on all their devices.

Desktop

Apple Human Interface Guidelines

Microsoft Windows UX Guide (PDF Download)

GNOME Human Interface Guidelines

Java Look and Feel Design Guidelines

Mobile

iPhone Human Interface Guidelines

UI Design Guide for Windows Phone 7 (PDF Download)

Android User Interface Guidelines

Palm User Interface Guidelines

Toolkits