Email-Blueprints : Email Blueprints is a collection of HTML email templates that can serve as a solid foundation and starting point for the design of emails.
Open Source Web Design : Open Source Web Design is a site to download free web design templates and share yours with others. We help make the internet a prettier place.
Fractal : Fractal is a tool to help you build and document web component libraries, and then integrate them into your projects.
Component (or pattern) libraries...
Newspaper Club is a service to help anyone make and print their own newspapers. Our mission is to give people the tools to turn whatever they want into newsprint, quickly and easily.