User Interface stencils
Web Detail Flowchart
The page title, page file name and page description area labels are editable. I added an example of how I use this stencil. Feel free to use as you like though.
Creative Commons
Need to add a Creative Commons badge to a layout? This stencil has them all!
Web Page Elements
Using the open-source "Bitstream Vera" font set and free icons from FamFamFam, you should have most of your common web page elements covered, including headings, form elements, content management function, image placeholders, etc.
Mac OS X Interface
Much interface design at Omni has started with a quick mockup in OmniGraffle. Here's the stencil I've been building, adding elements as I need them. Most designs start with an existing screenshot, with swatches of controlColor over things we need to get rid of, and layers of new controls on top of that. Clearly there are lots...more
Windows GUI Design
User interface elements for the Windows operating system, in case you have to design an interface where Aqua widgets are considered a strange and mysterious concept, and licking them is totally out of the question.
Web Flowchart
Charles Parcell has created a very slick set of stencils for website flowcharting that has just about every component you might use for a site, from Flash to PHP to .Net. And all of them in a unique, colored style. Awesome.
UML 2
Additional UML diagram tools, esp. for Use Case and Activity diagrams. There is also a Domain object for class domain or namespace groupings in Class and Collaboration diagrams.
Flow Map Shapes
We make flow maps daily to visually represent how users move through a system. We find that maps which depict screens and the results of user actions from those screens are easier for our clients to understand than the long text-heavy documents usually produced during the definition phase of most large web site projects. Most...more
Lines
Just a variety of line styles and colors, ready-made. Customize this with your favorite line-styles.