User interface design patterns are common researched and reusable solutions to frequent user interface problems. There are a number of user interface pattern repositories. This article in Smashing Magazine lists over 40 resources for user interface design patterns. Here’s what they say about it:

In this article, we share with you the best of the best, cream of the crop sites, galleries, online publications, and libraries devoted to sharing information and exploring concepts pertaining to User Interface design patterns. Use these recommended sources to gain knowledge about a particular UI problem or to gain inspiration and insight on best practices, techniques, and examples of exemplary UI designs. Great thank-you goes to Pavel Konoplitski for providing us with related resources.

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