Fireworks vs Pidoco

From lo-fidelity wireframe, into clickable prototype and then assemble the images for the final hi-fi build as well.

Features such as 'Layer Sharing' allows you to quickly update shared components such as headers across multiple pages. Other mockup tools such as Mockingbird will require you to manually propagate changes across all the pages.

Open PSD files

A significant advantage over web-app style mockup tools are the symbol libraries for Fireworks.

From boagworld:

Both symbols, styles and vector shapes can be saved for re-use and collected into useful library resources. In addition Fireworks ships with a common library of useful objects including buttons, browser and application elements for both Mac and Windows look and feel.

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Pidoco has a simple, intuitive drag&drop interface. Context menus and context-sensitive toolbars make editing super quick.

Pidoco offers a large library of 400+ interactive interface elements as well as an extensive set of icons as building blocks.

So simple to invite reviewers and collaborators and to collect feedback!

Can use a variety of options to save time and avoid duplicate work, e.g. layers, custom elements, scroll frame references. Global layers and reusable custom templates speed up prototyping.

Offers an easy way to simulate common types of screen transition effects including for swipe interactions or adding delays. Also allows for sequential reactions.

Direct simulation of prototypes possible by switching from editing to preview mode.

A screenmap lets you easily link individual prototype pages. This is also great for uploading screenshots and linking them via action hotspots.

It's possible to simulate the prototypes directly on mobile devices - in the browser or with an handy app.

Assets can be placed in layers and displayed on several pages. Provides for easy updating of entire project in case of changes.