Wireframe.cc
A minimal online tool that provides allows you to rapidly mock up page layouts, and which requires no registration to use it, or to save your work. You can choose from mobile and desktop templates.
Moqups
An impressively powerful HTML5 app with plenty of common web elements that you can make use of when designing your pages. Easy to use, with desktop, mobile and tablet templates.
FlairBuilder
FlairBuilder is a desktop app for creating interactive wireframes, which allows teams / clients to play with the prototypes. Includes more than 70 drag and drop components and widgets.
Fluid UI
A lovely tool with lots of features for creating mobile app prototypes. Provides a canvas to see the big picture, as well as the page-level detail. Dive straight in, no immediate registration required.
Google Drawings
Morten Just has made a bunch of stencils for Google Drawings, to help people use it for wireframing.
HotGloo
A paid-for tool (with a limited access free option) that should be of interest to UX professionals. Includes the usual drag and drop functionality, alongside a comprehensive library of user interface elements. It also allows you to show different content states (for example, to show what a logged in user would see vs a new visitor).
Wirify
This one flips wireframing on its head, by giving you the option to turn existing web pages into wireframes in just one click.
iPhone Mockup
Allows multiple users to work on wireframes for iPhone apps. Changes are rendered in real-time.
iMockups
An iPad app for wireframing “on the go”.
ASCII Flow
You want lo-fi? You got it…
The title is a bit of a misnomer: the article is really a primer on wireframing for anything. Good stuff.
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