The creation of a mock-up is en essential part of the web design process. An initial, non-interactive visualization of your design will help you to improve on your ideas. Furthermore, mock-ups are an absolute must when working with clients or a larger team. Enter Yahoo's Design Stencil Kit, which makes the process easier by providing a number of ready-made user interface components, meant specifically for the rapid creation of mock-ups.
From the project's webpage:
Yahoo! Design Stencil Kit version 1.0 is available for OmniGraffle, Visio (XML), Adobe
Illustrator (PDF and SVG), and Adobe Photoshop (PNG), and covers the following topics:
- Ad Units
- Calendars
- Carousels
- Charts and Tables
- UI Controls
- Form Elements
- Grids
- Menus and Buttons
- Mobile - General
- Mobile - iPhone
- Navigation and Pagination
- OS Elements
- Placeholder Text
- Screen Resolutions
- Tabs
- Windows and Containers
The stencil kit is part of Yahoo! Design Pattern Library, which offers many optimal solutions to common web design and development tasks.