Elements of Design
http://www.smileycat.com/design_elements/

User Interface Design Pattern Library
http://ui-patterns.com/

Patterns in interaction design
http://www.welie.com/patterns/index.php

Info Design Patterns
http://interface.fh-potsdam.de/infodesignpatterns/patterns.php

Fresh & illustrative UI design patterns
http://uipatternfactory.com/

Quince – All patterns
http://quince.infragistics.com/#/Search

Fill up on good web
http://patterntap.com/

Websites & collections
http://box.mepholio.com/

Patterns for a better web
http://web-patterns.net/

User Interface Scrapbook
http://browsertoolkit.com/ui_scrapbook.html

Examining current design practices on the web
http://www.webdesignpractices.com/

A collection of e-commerce interface & design elements
http://www.ecommr.com/

Designing Social Interfaces
http://www.designingsocialinterfaces.com/patterns.wiki/index.php?title=Main_Page

Collecting Snippets of Good Design
http://designsnips.com/

Patterns
http://www.extjs.com/examples/#overview

Best web application UI’s from around the web
http://www.uizen.com/

30 essential controls
http://designingwebinterfaces.com/essential_controls

Patterns for creating winning websites
http://www.designofsites.com/design-patterns/

12 Standard screen patterns
http://designingwebinterfaces.com/designing-web-interfaces-12-screen-patterns

Open Source UI Design Patterns
http://osdpl.fluidproject.org/designPatterns

News, resources, and tools for UX designers
http://konigi.com

Yahoo Design Pattern Library
http://developer.yahoo.com/ypatterns/