Microsoft Expression Blend

Technical Details
Professional design tool for creating engaging Web-connected experiences for Windows
Quickly build stunning prototypes, projects, code and designs in a friction-free environment
Create a compelling, elegant interface using a full spectrum of media types, including vector and pixel art, video, audio and more
Add interactivity to your designs without writing code; just add the fully customizable controls
Deliver applications that are more usable and achieve greater end-user satisfaction and productivity