Fluid UI

Web-based HotGloo is a rich internet application designed to build functional online wireframes for a website or web projects. HotGloo is intended for use in web projects to help visualize …

Create five screens in ten minutes without any programming knowledge or prior training! MockupScreens, a rapid screen prototyping tool for technical and non-technical users alike. Aimed at software...

EaSynth ForeUI is an easy-to-use UI prototyping tool. You can use ForeUI to create skinnable prototype of software or website, and run the interactive simulation in your web browser. You …

SwordSoft Layout is an desktop application that makes it very easy for you to create, preview, and manage mockups of your website, mobile application or desktop application. With so many …

Proto.io is a silly-fast way to create fully interactive mobile app prototypes. Designed specifically for mobile, Proto.io can simulate everything an app can do. That includes interactive touch gestures,...

Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today.

The GoVisual Diagram editor (GDE) provides powerful functionality for editing and automatic layout of diagrams. Diagrams are represented in form of graphs and cluster graphs. GDE contains all the layout …

ProcessOn is an easy-to-use, free online diagram designer with an extensive diagram library & social network to expand business. It’s built based on HTML & JavaScript, allowing users to create …

Designing website or software wireframes transform conseptual design into a user interface, what your user need first. Using inPreso Screens to create an interface sketch greatly improve design decisions and...

PowerMockup is a PowerPoint add-in for sketching screens of web and desktop applications. The interface elements make it a breeze to prototype and evaluate different design ideas before proceeding to …

WireframeSketcher is a software tool that helps quickly create wireframes, mockups and prototypes for desktop, web and mobile applications. It comes both as a plug-in for any Eclipse-based IDE and …

Turn your Dropbox images into prototypes for any device and get feedback. No coding required.

The newest design tool from the leaders in UX, Indigo Studio lets you quickly and simply explore and create functional, animated UI prototypes while maintaining the focus on user experience …

Napkee makes your Balsamiq Mockups come alive. Import a BMML and export to web or flex code in a few clicks.

Mockery enables you to create great UI mockups, quickly and easily. Design great interfaces for the web or desktop. Review your designs with Windows and Mac themes. Annotate your mockups …

Sketch Lab is a web based user interface (UI) sketch / prototype tool. It supports desktop and mobile platforms.

Prototypr helps you build prototypes rapidly and easily. Import images from Photoshop, link the screens, upload the result onto an iOS device over WiFi and show it off to your …

MockupCreator is a tool to create mockups, prototypes and wireframes. MockupCreator will help you to accelerate your products development and improve the quality of the product design.

Mocklinkr is a web application that allows designers to: upload and host their mockups; link them together and make them interactive; and provide a mechanism for their clients to leave …

UIreframe is an online web-based tool that lets you create nice wireframes and mockups easily for your websites or software applications. With UIreframe you can collaborate and share your creations, …

JumboLogic allows developers, consultants, project managers, and business people to visually design, specify, and prototype their web and mobile applications.

Mockup Designer, built with Backbone, Backbone-LocalStorage and Html2Canvas, is a super-easy-to-use mockup tool that uses the local storage of your browser as its backend. However the data layer is loosely...

Prototype cheaply and quickly for iPad, iPhone, Android, Windows Phone 7, Facebook and web using Apple Keynote, Microsoft PowerPoint or OpenOffice Impress.