Origami Studio

Origami Studio is a free design tool built by Facebook designers for creating interactive UI prototypes. An elegant, layer-based interface allows designers to repaidly...

Free Mac OS X Android iPhone

Atomic

Work your way up from a blank canvas, or pull in designs from Photoshop or Sketch. Lay out your states and instantly animate between them, without coding a thing. Share...

Freemium Web

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

NinjaMock

A free tool for rapid prototyping, fun wireframing and quick mockups. Create mobile app wireframes for iOS, Android, Windows Phone, Surface, design website mockups...

Free Personal Mac OS X Windows Web

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

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

Indigo Studio

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...

Commercial Mac OS X Windows

MockupScreens

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

Commercial Windows

GoVisual Diagram Editor

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

Free Windows Linux

STUDIO

Build your idea into a product. Design and programming skills are no longer necessary to create a product. With STUDIO, you can make your idea into a real product...

Freemium 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

PowerMockup

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...

Commercial Windows Microsoft Office Powerpoint

Markly

Markly is a measure and design spec plugin/extension for Photoshop & Sketch. It is made for modern web designers & app front-end developers. You can add...

Commercial Mac OS X Windows Sketch Adobe Photoshop

Composite

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

Commercial

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

Tiggr

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

Free Web

Mockups for Android

Mockups for Android is a vector-based sketch wireframing tool for web site prototyping and creating UI design concepts. With Mockups for Android, you can experiment with...

Freemium Android Android Tablet

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