web and mobile app prototyping

App Prototyping Tools For Designers

[…] a suite of plugins to let you design with real data in mind. Manage them via the new Craft Manager for incredibly easy updating.

Principle makes it easy to create animated and interactive user interface designs. Whether you're designing the flow of a multi-screen app, or new interactions and animations […]

People interact with touch-based user interfaces with their fingers. So user interface controls have to be big enough to capture fingertip actions without frustrating users with erroneous actions and tiny targets. Ok, so how big?

Web magazine about user experience matters, providing insights and inspiration for the user experience community

The device art generator enables you to quickly wrap app screenshots in device artwork. This provides better visual context for your app screenshots on your website or in other promotional materials

… design beautiful, responsive UIs for apps, websites and enterprise software.

They are road signs for your daily rituals — the instantly recognized symbols and icons you press, click and ogle countless times a day when you interact with your computer. But how much do you know about their origins?

Finely crafted software for the discerning client.

Grids serve well to divide up a predefined canvas and guide how content fits onto a page, but when designing for the web’s fluid nature, we need something more responsive. Enter ratios, which archi…

Create atomic design ( http://bradfrost.com/blog/post/atomic-web-design/ ) systems with Pattern Lab.

Nur noch wenige Tage, dann ist es da – das neue Jahr.

Quickly generate cross-platform application ideas. Brainstorm breakpoints and get a handle on how a website might translate to mobile and tablet versions. This pad has 2 device silhouettes on the front and 3 on the back.  Features:- Printing on both sides- Dot grid, 150 PPI- Letter size- Project Name, Screen, Date & Note fields- 50 sheets, 110g/m² paper- Cardboard back- Rounded bottom two corners- 100% Recyclable This pad works with our website stencil and pixel ruler (sold separately).

Ghostly is a record label and art company that aims to provide work of high quality, integrity and individuality.

Responsive Design Sketchbook

Website Stencil Kit

All of these free iOS and Android mobile UI kits come packaged with an extensive collection of customizable screens and UI elements.

LukeW Ideation + Design provides resources for mobile and Web product design and strategy including presentations, workshops, articles, books and more on usability, interaction design and visual design.

Here is represent a fresh collection of different, remarkable mobile app interfaces that comprise elegant and nifty side menus with amazing and realistic flip animation.

The ongoing debate about skeuomorphism in software interfaces misses the point.

by @dfadeyev