FlairBuilder is a user interface prototyping tool for easy authoring of interactive website wireframes, mockups and GUI prototypes.

Mockup Builder is described as 'Design your software or website mockups within minutes. Mockup Builder is a new look to solve old problem with prototyping and sharing sketches with customers. This startup was built to solve developer’s needs in product that can help to make it better communication tool between' and is a Wireframing tool in the development category. There are more than 25 alternatives to Mockup Builder, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and SaaS apps. The best Mockup Builder alternative is Pencil Project, which is both free and Open Source. Other great sites and apps similar to Mockup Builder are Lucidchart, Napkins.dev, Frame0 and Balsamiq Wireframes.
FlairBuilder is a user interface prototyping tool for easy authoring of interactive website wireframes, mockups and GUI prototypes.

HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables. Create and share fully interactive prototypes with your team and clients and gather feedback on the process.



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

MockupTiger is a web based application that helps you to build fluid wireframes, mockups or prototypes for your next web application or desktop software.

Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today.
Fluid UI is the fastest mobile app prototyping tool available. Design and test your low and high fidelity app mockups on a mobile device with ease. Simple and UX oriented, this UI tool helps unlock creativity and will save your team time and money while gathering app...




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 the implementation.

ProtoShare is a web-based, collaborative wireframing and prototyping tool. It hosts a WYSIWYG drag-and-drop interface, as well as advanced components users can customize.




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 can switch the UI theme of the prototype, thus the fidelity will be changed as well.



Create five screens in ten minutes without any programming knowledge or prior training!




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 UI elements to choose from, you can design anything.
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.