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Items in yellow are new or updated since the last post in March 2009

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Tool NameDescriptionPlatformPriceVendorRelated Link

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Axure RP ProTool specifically designed to create web site prototypes. Axure outputs clickable HTML and a spec in Word format. Complex interactions are supported.Windows$589Axurehttp://www.axure.com/p101_5.aspx

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Balsamiq MockupsCreate a mockup of your software super-fast. The look of Balsamiq's output is sketchy, which can help to disarm those who think that suddenly your software is "done".Web$79Balsamighttp://www.balsamiq.com/

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CogToolCreate simple UI mockups and evaluate their effectiveness. CogTool predicts how long an experienced user will take to complete a given task.BothFreeBonnie E. Johnhttp://cogtool.hcii.cs.cmu.edu/

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CoutlineA web-based to design and preview clickable prototypes. Also includes features for project management and team review.Web???Coutlinehttp://www.coutline.com

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DreamweaverUse the visual side of Dreamweaver to drag-and-drop your design into place, point-n-click to add interactivity and dive into code for more complex prototyping. Both$399Adobehttp://www.adobe.com/products/dreamweaver/

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EasyPrototypeVery similar to the popular Axure, this lightweight tool allows you to design screens and export a clickable HTML prototype along with documentation.Both$69ExtremePlanner Softwarehttp://www.extremeplanner.com/easyprototype/

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ExcelYou are thinking: "Excel? Are you crazy?!". The authors of this book think not.Both$229Microsofthttp://www.effectiveprototyping.com/ep_excel.shtml

http://excelprototyping.weebly.com/

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Expression BlendOutput prototypes for Silverlight and WPF apps with rich interactions quickly via a drag-and-drop interface.Windows$499Microsofthttp://www.microsoft.com/expression/products/Overview.aspx?key=blend#page-top

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Expression Blend + SketchFlowCreate task flow maps and interfaces concepts that literally look like sketches. Prototypes can evolve into the final product within the Expression suite.Windows$599Microsofthttp://www.microsoft.com/expression/products/Sketchflow_Overview.aspx

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Expression DesignUse powerful drawing tools to create HTML, WPF or Silverlight prototypes with limited interactivity.Windows$699Microsofthttp://www.microsoft.com/expression/products/Overview.aspx?key=design

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FireworksCreate complex clickable prototypes using many of the same drawing tools found elsewhere in the Adobe suite. Exports to PDF or HTML.Both$299Adobehttp://tv.adobe.com/#vi+f1498v1659

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FlairBuilderCreate interactive wireframes via an AIR desktop app. Send the resulting file to clients to review in the free viewer.Both$99Cristian Pascuhttp://www.flairbuilder.com/

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FlashQuickly generate self-running animations or simple clickable prototypes. Add a little bit of ActionScript knowledge and you can build complex interactions.Both$699Adobehttp://www.boxesandarrows.com/view/quick-and-easy-flash

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Flash CatalystA still-in-development tool to help designers build interfaces for Flash apps.Bothn/aAdobehttp://labs.adobe.com/technologies/flashcatalyst/

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FlexWhile more tuned for app developers, the WYSIWYG interface and support for importing skins from Ilustrator give you the ability to go quickly from design to prototype. Can export Flash or AIR aps.Both$249Adobehttp://www.adobe.com/products/flex/

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ForeUIDesign mockups, define behaviors and simulate the app in a browser.Both$79EaSynth Solutionhttp://www.foreui.com/

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FormBuilder for DrupalWeb-based interface to drag and drop form elements onto a page. Design a working form, including input requirements, in minutes.WebFreeLullabothttp://www.lullabot.com/blog/drupals-form-building-future

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GUI Design StudioDesign interfaces, add annotations and build a storyboard to define a working prototype. There's a nice sketch visual style that can be applied.Windows$499Caretta Softwarehttp://www.carettasoftware.com/guidesignstudio/

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iPlotzCreate clickable wireframes online and collaborate with others. Also includes basic project management features like task assignment. Desktop version (AIR) available.Web$99 [1]iPlotzhttp://iplotz.com

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iRiseA very complex tool used to model business process and prototype application interfaces.Windows$6,995iRisehttp://www.irise.com/

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Justinmind PrototyperCreate wireframes and simulate them against functional specs defined as use case diagrams.Both (Mac = beta)$690Justinmindhttp://justinmind.com/

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JustProtoA web-based tool focused on collaboration with remote teamsWeb$99 [1]DeSmarthttp://www.justproto.com/en/

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KeynoteLike Powerpoint, Keynote allows objects to be clickable, opening external links, playing Quicktime movies or transitioning to a new slide.Mac$79Applehttp://www.apple.com/iwork/keynote/

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LiveViewView your desktop screen on a virtual iPhone, or via an app, on your actual iPhone.MacFreeIDEOhttp://labs.ideo.com/2009/01/20/liveview-an-iphone-app-for-on-screen-prototyping/

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Lucid SpecDesign screens and simulate a working application by using standard widgets and easy to use drawing tools.Windows$499Elegance Technologieshttp://www.elegancetech.com/LS/LS.aspx

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MockAppAn iPhone UI library and template for Keynote. There's also a Powerpoint version, though it is not tested and may not export correctly.Both (sorta)FreeDotan Saguyhttp://mockapp.com/

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MockupScreensMore of a wireframing tool since it only exports to a slideshow instead of something click-able.Windows$100MockupScreenshttp://mockupscreens.com/

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OmniGraffleDiagramming and mockup tool that can export clickable PDFs and HTMLMac$200OmniGrouphttp://urlgreyhot.com/personal/weblog/creating_prototypes_with_omnigraffle

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OverSiteCreate the structure of your app, design the interfaces and simulate the app as a click-through prototype. Can even import an existing site to use as a starting point.Both$65OverSitehttp://taubler.com/oversite/

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PencilA Firefox add-on that's really more of a wireframer than a prototyping tool.BothFreeDuong Thanh Anhttp://www.evolus.vn/Pencil/

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pidocoFormerly RapidRabb.it. Collaborative, web-based prototyping. Has both a "regular" and a sketched mode.Web$600 [2]pidocohttps://pidoco.com/en

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PolypageThis is a jQuery plugin that allows you to show/hide elements of a page. Use it to simulate state change via a toolbar.BothFreeClearLefthttp://24ways.org/2008/easier-page-states-for-wireframes

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PowerpointA Powerpoint deck as a prototype?! Yep, it's a little known fact that Powerpoint supports clickable hotspots to jump to slides. Combine this with built-in transitions to prototype animation.Both$229Microsofthttp://www.boxesandarrows.com/view/interactive

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ProtonotesNot a prototype creation tool, but a way to allow a disparate team to annotate your design via the web.WebFreeWebanzahttp://www.protonotes.com/

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ProtoscriptA super-simplified scripting language enabling designers to add behaviors to existing HTML pages.WebFreeBill Scotthttp://protoscript.com/

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ProtoshareA web-based tool aimed at teams who need to collaborate on clickable wireframes.Web$156 [1]Site 9http://www.protoshare.com/

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Prototype ComposerPrototype web and desktop applications and hand off assets to dev teams using other Serena tools.WindowsFreeSerenahttp://www.serena.com/products/prototype-composer/index.html

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Screen ArchitectWorks in conjunction with the UML modeling tool Enterprise Architect to create interface prototypes in RTF and HTML.Windows$120 [3]CATCHwww.screenarchitect.com

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TinderboxA complex notes tool that could be used to export click-through HTMLMac$229Eastgate Systemshttp://www.eastgate.com/Tinderbox/

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Visio ProfessionalMany would call Visio the "gold standard" of wireframing tools. Did you know that it can create clickable prototypes as well?Windows$560Microsofthttp://office.microsoft.com/en-us/visio/FX100487861033.aspx

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XHTML & CSSHave the coding skills, then skip the software tools and build it yourself!BothFreeW3C? ;-)http://www.boxesandarrows.com/view/prototyping-with
[1] Per Year
[2] Per year
[3] Plus $135 for Enterprise Architect