Design Pattern Repositories

When designing interactive experiences, there are lots of ways to innovate, but also situations where it doesn't make sense to reinvent the wheel. There are many parts of a larger experience with which users could or should already be familiar, and this is where design pattern libraries can be excellent resources for designers. Here is a list of libraries and resources culled from a LinkedIn group of user experience designers that I thought I'd compile for easier browsing:
 
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