VectorShop
VectorShop is a simple, powerful and fast vector drawing application.
Features
UI Design: VectorShop is made for UI, icon and web designers.
Export: Export whole drawing or individual layer by one click. Easy export in different scales.
Performance: VectorShop takes full advantage of OpenGL to drawing composition.
Shapes: Make rectangles, circles, lines and text, and keep the flexibility to change things later on.
Path Tool: Easily create complex curves, shapes and paths
Filters: Use non-destructive filters to apply special effects to the layer. You can even save, modify and disable your filters any time. There are list of the most popular filters including Drop and Inner Shadow, Gaussian Blur.
Created exclusively for OS X: VectorShop uses a lot of technologies like Cocoa, OpenGL, Core Image, Full-Screen, Retina display and much more.