Resources for UI Patterns

When designing features & functionality for elements like forms, carousels/slideshows, navigation, etc…, the first step I take is to research best practices and look at existing UI patterns to draw inspiration. If it works, why reinvent the wheel? But it’s always nice to throw in additional touches here and there to make the interaction more innovative for users. And don’t be afraid to think completely out of the box! It only took one app to make “Pull down to refresh” a revolutionary, standard interaction for reloading dynamic content on mobile. Here are some awesome pattern library resources I like: