On of the coolest features of having a mac is the superb interface design, because everything is fluid and very minimalistic. In the last years we have seen that the same principles are also implemented in the applications made for Apple devices. In this article I have collected 22 superb examples of interfaces that sometimes put the design in front of the functionality.

swackett

swackett® is a whole new way to look at the weather. We turn complex weather data into easy-to-understand information. Now the weather forecast can be viewed by any member of the family, including the very young and very old, those with disabilities — anyone who might be short on time and in need of a quick, easy-to-read weather forecast.

Weather

Visual weather and temperature information wherever you find yourself in the world. This application shows you the current weather condition and temperature right on your Mac Desktop.

OldBooth

Back to the past with OldBooth. Over 100 fun masks to play with.  Have you ever wondered what you’d have looked like in another era? How about your friends? Be a lady from 20s or a funky hairy hippie. Now you can turn into in the fastest way ever.

Courier

Quickly share photos, files, and movies to Flickr, Facebook, MobileMe, YouTube, Vimeo, Amazon S3, FTP and more. Courier includes a stylish upload map to show where in the world your uploads are heading along with the upload’s progress,

SketchBook Pro

Autodesk SketchBook® Pro for Mac is a professional-grade paint and drawing application. Using the same paint engine as its mobile counterpart, SketchBook Pro delivers a complete set of sketching & painting tools through a streamlined and intuitive user interface.

Twitter

Follow your interests: instant updates from your friends, industry experts, favorite celebrities, and what’s happening around the world. Get short bursts of timely information on the official Twitter for Mac app.

Plex

Plex bridges the gap between your Mac and your home theater, doing so with a visually appealing user interface that provides instant access to your media.

Cockpit

“Cockpit is a really flexible multi application controller and automation center. A way to run scripts, tasks and even more with a click of a button or just with a hotkey”

Bodega

Bodega arranges and catalogs all of your apps in easy to find categories for quick updates. The left sidebar controls the different features and tools. Navigating through applications gives you confidence in this applications stability.

Delicious Library 2

Easily catalog all of your books, movies, software, and more. Once you open the application you’ll see all of your cataloged items in an organized fashion. You can click on an item and you can see a better preview.

Awaken

Awaken is everything you’d expect from a Mac alarm clock. The competition doesn’t even come close to Awaken’s combination of form and function.

On The Job

On The Job is an application designed to help you track your time and expenses, and bill your clients by easily and quickly creating professional invoices. On The Job is straightforward and easy to use letting you focus on what’s important.

Fontcase

Fontcase’s ease of use allows you to preview every font and activate only the ones you need. Every font is aligned within a grid, no matter how you’re viewing them. This makes it easy to search, find, and test the correct fonts.

1Password

1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.

CleanMyMac

For a cleaning application it sure has a clean and well organized GUI. Dark shades of Grey and uncolored icons showcase the features you’re not using on the left sidebar. But when you click on a feature the icon is displayed in full color. With just three buttons as the main functions located in the apps footer, CleanMyMac conveys real usability.

Watts

Why use Watts? The battery needs to be recalibrated from time to time to keep the onscreen battery time and percent display accurate, and to keep the battery operating at maximum efficiency.

Capo

Capo is a musician’s best friend. It lets you slow down your favorite songs, so you can hear the notes and learn how they are played.

DaisyDisk

DaisyDisk scans your disks and presents their content as interactive maps where you can easily spot unusually large files and remove them to get more free space. The map gives you an overview of your data, so you always know what your hard disks are filled with.

Galleried

Galleried features web designs from hand-picked galleries in a fast, easy-to-browse interface. Get the iPhone and/or iPad companion for free.

Just Notes

A simple, beautiful and powerful notes app. The nice user interface lets you focus on the important things – just notes.

Pixelmator

Pixelmator, the beautifully designed, easy-to-use, fast and powerful image editor for Mac OS X has everything you need to create, edit and enhance your images.

Delibar

Delibar is a full featured Delicious and Pinboard Mac client. Delibar focuses on giving Mac OS X users an easy and quick tool for searching, managing and sharing their bookmarks.