VisiTouch

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

Commercial

Violet UML Editor

Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers...

Free Open Source Mac OS X Windows Linux

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

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

Flinto

Flinto for Mac is a comprehensive app prototyping tool that allows you to create anything from simple tap-through prototypes, to comprehensive prototypes with impressive interactions.

Commercial

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

textografo

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

Commercial Web

ObjectAid

The ObjectAid UML Explorer is an agile and lightweight code visualization tool for the Eclipse IDE. It shows your Java source code and libraries in live UML class and...

Freemium 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

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

MockupCreator

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

Commercial Windows

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