In this Illustrator Toolbox we have an extensive selection of UI templates, all in AI and EPS format, and all perfect if you are a web, mobile or app designer that prefers to use Adobe Illustrator rather than the more commonly used Photoshop.

It was mildly surprising how difficult this post was to put together, I really did expect to find a lot more. What is clear from this is that generally most designers would not even consider Illustrator for UI design, which was an even bigger surprise. So, if you are a UI designer who does prefer Illustrator over everything else, then you may consider this post as your treasure chest.

iPad Wireframe Template .eps

iPad Vector GUI Elements .ai

iPhone Sketch-Like Elements .ai

iPhone UI Vector Elements .ai

Illustrator Template for iPhone Design .ai

iPhone 4 Vector Template .ai & .eps

Touch Notation .ai

Nokia S60 Wireframing Stencils .ai

Windows Phone 7 Design Template .ai

Gesturecons – Multi-Touch Icons .ai & .eps

License: Commercial license costs $100, you can download it freely for wireframing Creative Commons License).

iOS Icon Template for Illustrator CS5 .ai

User Interface Design Framework – Huge GUI Elements Library .ai

License: This framework is released as a complete web designer kit for free, even for commercial use. Your only requirement is a link back.

Sketchy Illustrator Wireframes .ai

Sketching & Wireframing Kit .ai & .eps

Yahoo Design Stencils

Browser Screens and Website Elements .ai & .eps

Wireframe Symbols .ai

Template for Blueprint CSS Comps .ai

960 Grid System Illustrator Template .ai

Symbol Signs .eps

Liquidicity – 165 Vector Icons, in 5 Colours .ai

135 Free Vector Icons .ai

The Graphs 2 .ai

Pie Charts in Illustrator .ai

Website Template .ai

Web Elements Vector .eps

Creative Commons Attribution-Share Alike 3.0 Unported License

Vector Web Page Elements .ai & .eps

Vector Glass Buttons and Bars .ai & .eps

Divine Proportion Template .ai & .eps

The divine proportion, also called the Fibonacci Sequence, golden mean or golden spiral, has been used by master architects and sculptures for thousands of years.
You can use this as a template for your layouts or illustrations to create a visually pleasing design. If you are designing a website, this Golden Ratio Calculator can help determine column widths.