VisiTouch

~ simple way to view, annotate and share http://alternativein .

Commercial

Mockup Designer

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...

Free Open Source Web

Justinmind

Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive...

Commercial

WireframeSketcher

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...

Commercial Mac OS X Windows Linux Eclipse

Mockup Builder

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...

Freemium Web

Flairbuilder

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

Commercial Mac OS X Windows Linux

ProtoShare

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...

Commercial Web

ForeUI

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...

Commercial Mac OS X Windows Linux

Iplotz

Wireframe your Ideas iPlotz allows you to rapidly create clickable, navigable mockups and wireframes for prototyping websites and software applications. Create a...

Freemium Web

SwordSoft Layout

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...

Commercial Mac OS X Windows

Prototype Composer

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

Freemium Windows

quickMockup

Online tool for creating mockups in the browser. Use your browser’s save function to save the file (just html for view only, complete save for an editable version) or...

Free Open Source Mac OS X Windows Linux Web Self-Hosted

textografo

Online diagramming application which generate diagrams based on text and allows real time collaboration.

Commercial Web

Napkee

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

Free Open Source Mac OS X Windows Linux

Moqhub

Upload your designs,mockups or wireframes by file or by URL snapshot, organize them and connect them to web prototypes. Share them with friends, colleagues and clients...

Freemium Web

Composite

Automatically connects to your Photoshop document and converts your mockups into interactive prototypes using layer comps to organize your documents into screens....

Commercial

MockupTiger

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

Commercial Windows Linux Android iPhone Web

Tiggr

Tiggr is an application for creating user interface prototypes collaboratively online.

Free Web

Keynotopia

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

Commercial Web