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Popular and, probably, the best instant messaging client for you Mac.

Convert audio & video files of any formats to MP3 on Mac.

The Mac App Store is just like the App Store for iPad, iPhone and iPod touch.

The open-source Arduino environment makes it easy to write code and upload it to the I/O board.

Record sound data and edit audio files on your Mac computer.

With Automator, you can accomplish time-consuming, repetitive manual tasks quickly, efficiently and effortlessly.

Java application for teaching object-oriented programming to students.

The Calculator application allows you to perform simple arithmetic calculations, complex logarithmic calculations and logical operations.

Best chess and real simulator game for OS X.

Full-screen app that’s home to widgets: mini-applications that let you perform common tasks and provide you with fast access to information.

Dashcode in Snow Leopard lets you quickly and easily build Dashboard widgets.

Application included in Mac OS X.

Automatically back up your data to your Dropbox account.

Enjoy a front-row seat for everything from the latest action thriller.

Powerful editor for printed circuits layouts and schemes.

Manage your fonts quickly and easily with the Font Book application in OS X.

Mix and create your own music tracks and podcasts.

Free-to-use application for sharing data all over the Internet.

iCal - share your events with your friends and see your friend's calendars.

Multi-protocols instant message client.

Create your own DVD that can be viewed on most DVD players.

Image Capture transfers images between a digital camera / scanner and your Mac.

Edit your clips into a movie with soundtrack and themes.

It allows you to see aspects of your application’s performance over time.

Note: This is no longer an actively developed application.

It lets you transfer information from iCal calendars to your mobile device.

Built-in Mac software which does far more than just play tunes.

The easiest way to create and publish your webpage.

Easily update apps from App Store and other sources.

Very popular free DVD ripper for the Mac.

Mail offers an elegant full-screen interface that makes it easy to manage all your email from a single, ad-free inbox.

Mojo (formerly known as Maestro) is a new way to share music.

Get access to various drawing tools similar to the ones from Windows' Paint.

Take fun snapshots and make short videos in Photo Booth.

A simple, elegant application for viewing and working with PDF documents.

A universal media player developed specifically for Mac OS X by Apple, Inc.

Web browser made by Apple for the Mac.

Free 3D sketching program for the conceptual phases of design.

Say “hello” with an instant message, voice or video call – all for free.

Stickies displays your notes and messages on your desktop.

Do everything from setting a desktop picture to adding a printer and more.

It reads out all accessible temperature sensors in Macintosh computers.

Easy-to-use word processor built into OS X.

Works with an external hard drive to automatically back up your entire Mac.

RAR archive decompression and recovery tool.

Watch your favorite movies and listen to your music from one app.

Complete toolset for building Mac OS X and iOS applications.

A (very) tiny BitTorrent client.