Quicksilver - It's the most powerful tool for OS X. Everyone needs it.

Onyx - OnyX is a maintenance, optimization, and personalization utility. It also makes it possible to configure certain hidden parameters of the Finder, Dock, and Safari, to remove a certain number of files and folders that may become cumbersome, preview the different logs and CrashReporter, and more.

Darwinports - The DarwinPorts Project's main goal is to provide an easy way to install various open-source software products on the Darwin OS family

Fink - The Fink project wants to bring the full world of Unix Open Source software to Darwin and Mac OS X. Similar to Darwin ports. You can use both.

Unison - Unison is a file-synchronization tool for Unix (incl. OS X) and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other.

Growl - It's a global notification system for Mac OS X. Any application can send a notification to Growl, which will display an attractive message on your screen.

iDupe - iDupe is an iTunes utility that will search for and eliminate duplicate and dead tracks.

iSquint - iSquint is an iPod video conversion app. It's up to 5 times faster than Apple's method, works well with AVIs and MPEGs, and it's infinitely free-er.

MPEG Streamclip - It's a high-quality converter for MPEG files, QuickTime and transport streams. Thanks to radio_24 for this tip.

Xvid- Xvid Codec for Quicktime

DivX 7 for Mac - Play DivX with Quicktime or export it to any application with QuickTime export capabilities (e.g., QT, iMovie, Final Cut Pro)

VLC It's a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.

HandBreak - HandBrake is a GPL'd multiplatform, multithreaded DVD (encrypted too) to MPEG-4 ripper/converter.

SMARTReporter- It can notify you of impending drive failures by sending e-mails, displaying a warning dialog or executing an application. The current status of your drives is always displayed through the customizable menu item. Why I didn't I install this tool before my hard disk crashed?!?!.

QuickSynergy - It lets you easily share a single mouse and keyboard between multiple computers with different operating systems, each with its own display, without special hardware. It's intended for users with multiple computers on their desk since each system uses its own monitor(s). Fantastic!! Thanks to bassmatic for this tip!

Audacity - Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

gDisk - gDisk is a software that turns your GMail account into a portable hard drive so you can always have your important files accessible accross the Internet.

iPodDisk- iPodDisk is designed to make it easy and intuitive to copy music off iPod; it enables you to do so within the Finder, or whatever application that can read files.

TuneConnect - TuneConnect is an AppleScript Studio application for Mac OS X that allows you to control iTunes on a remote Mac, using just your local network. TuneConnect’s power lies in a technology built-in to Mac OS called “Remote Apple Events.” Remote Apple Events allow different programs to communicate over a local network (and even the Internet, when properly configured).

StreamripperX splits iTunes radio and streaming MP3 radio into individual MP3 songs.

Blue Coconut - Ever found that your iTunes music library wasn't quite as shared as you wanted? Annoyed that you can't copy a song from your server to your laptop quickly and easily, from within everyone's favourite music jukebox application? Want to make a playlist with shared tracks? Blue Coconut is for you. Simply click one button while you're listening to a favourite shared track and it's copied to your machine, and added to the iTunes Music Library (and a playlist, so you can keep track of your downloads).

Adium - Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.

Safari Enhancer - Safari Enhancer is an application for enhancing the functionality of Apple's Safari webbrowser.

Vienna - It is a freeware, open source RSS/Atom reader for the Mac OSX operating system. It provides features comparable to commercial newsreaders but it is both it and the source code are freely available for download.

RSSOwl - It's an applications that collect data from RSS-compliant sites are called RSS readers or "aggregators." RSSOwl lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more. It's easy to configure, available in many many languages and the best of all: It's platform-independent. It's a good thing if you use several operating system

CenterStage - Not all Mac user can use Apples FrontRow. It's only availabe for the latest iMac. But there is hope . CenterStage is the media center application that allows you to watch movies, view photos and listen to music etc.

Mac gnupg - Mac GNU Privacy Guard (Mac GPG for short) is, after a fashion, the Mac OS X port of GnuPG. It can encrypt text (usually e-mail or other messages sent between people) and sign text to prove who wrote it.

GPGMail - GPGMail is a plug-in for Apple's Mail, providing a front-end to gpg for some operations. It allows you to read/write encrypted messages, as well as electronically signed messages.

RCDefault - RCDefaultApp is a Mac OS X preference pane that allows a user to set the default application used for various URL schemes, file extensions, file types, and MIME types. MacOS X uses the extension and file type settings to choose the application when opening a file in Finder, while Safari and other applications use the URL and MIME type settings at other times for content not related to a file (such as an unknown URL protocol, or a media stream). Thanks to Bassmatic for this hint

Flip4mac - With the Windows Media® Components for QuickTime by Flip4Mac, you can play Windows Media files (.wma and .wmv) in QuickTime Player and view Windows Media content on the Internet using a web browser. The player only is free of charge.

CTVD Lite - It's another virtual desktop . The lite version is free. It's pretty impressive.

CleanArchiver is a simple and nifty archiving utility for OSX. It supports not only standard archive types such as gzip, bzip2, and zip, but also compressed Disk Image. In addition if the DropStuff application published by Allume Systems Inc. is installed on your system, CleanArchiver can create StuffIt and StuffIt X archives by calling DropStuff via AppleScript.

VirtueDesktops is a virtual desktop manager for Mac OS. It offers features, eye candy and configurable options that no other desktop manager on the mac has added yet, and is under active development. It is based upon DesktopManager, which is a lighter, less feature-packed virtual desktop application.

Pacifist 2.0 is a shareware application that opens Mac OS X .pkg package files, .dmg disk images, and .tar, .tgz, and .tar.gz file archives and allows you to extract individual files and folders out of them. This is useful, for instance, if an application which is installed by the operating system becomes damaged and needs to be reinstalled without the hassle of reinstalling all of Mac OS X. Pacifist is also able to verify existing installations and find missing or altered files*, and Pacifist can also examine the kernel extensions installed in your system to let you see what installer installed them, and whether the installer was made by Apple or a third-party.

ThemeChanger switches your theme in MacOS X. It supports the .theme and .dlta formats, and generates an aqua backup automatically. You can also restore the aqua backup via single-user mode, if an installed theme damages your system.

WebDesktop layers a web browser over your Mac OS X desktop. Bringing WebDesktop to the front allows full interaction with the page, including scrolling, navigation, and form input.

GimmeSomeTune is a utility that works hand in hand with iTunes. It is a status item in the right menu bar and hides itself behind a musical note. Every time a new song starts up in iTunes, GimmeSomeTune fades in a floating, translucent window with information about the song for a duration that you specify. After this time, the GimmeSomeTune window disappears again. It's similar to the Growl Tunes plugin but offers you more feature and a pretty nice song notification.

Prefling does one job: It lets you open system preference panes. Fast. Sitting in your Dock, it shows you a menu with all the preference panes installed and active. It's the ideal replacement for the System Preferences item that's in your Dock by default.

Letterbox: Widescreen Plugin for Mail.app. Letterbox is a plugin for Apple's Mail.app that takes advantage of your widescreen monitor. It rearranges the interface into three vertical columns – so the message pane is to the right of the message list, rather than below. You'll probably need at least 1280 and perhaps 1440 horizontal pixels for this layout to work well for you.

SharePoints: SharePoints is an application or a preference pane that makes it easy to add and delete share points like in the old Finder. In Mac OS X, by default, you are limited to sharing only what is in your public folder in your home directory. This program makes it easy to share any folder. In addition SharePoints also brings back users and groups management to Mac OS X as well as easy configuration of AppleFileServer (AFS) and Samba (SMB) Server properties. Be carefull if you share folders via Internet!

Ourtunes: Ourtunes allow you to browse and download from other people's iTunes Music Shares if there are not password protected. It doesn't remove any DRM. It's a java based application

SSHKeychain: SSHKeychain acts as a gateway between you and the agent, it can automatically add keys when you need them. SSH will just pause for a few seconds, and you'll be on your way. You no longer have to cancel your ssh request because you forgot to load your keys. It integrates with the Apple Keychain. All key passphrases can be stored, and you can use all your keys just by unlocking the Keychain. There is also a (portable) safety option. It has been implemented to keep your SSH keys safe from harm. Keys can be automatically removed when your computer goes to sleep, when the Apple Keychain is locked, or when your screensaver kicks in. Last but not least it offers Tunnel Support. SSHKeychain can also forward local ports over a ssh connection. Tunnels can be launched automatically when your keys are loaded, or from a menu item.

checkSum+ handles md5, sfv & cvs files. These files store "checksum" information about files, and will allow this and other applications know if the related files are or not corrupted. You will find oftenly these files in USENET newsgroups and other places, where there is a risk of data loss.

cksfv (Check SFV) creates simple file verification (.sfv) listings and tests existing sfv files. It uses the crc32 checksum. It's a terminal application.

NeoOffice is a fully-featured set of office applications (including word processing, spreadsheet, presentation, and drawing programs) for Mac OS X. Based on the OpenOffice.org office suite, NeoOffice has integrated dozens of native Mac features and can import, edit, and exchange files with other popular office programs such as MS Office.

CoconutWiFi displays you a small aqua-bubble at the top of your screen which indicates whether you're in range of a wireless network or not.
The app also tells you if the wireless networks in your range are encrypted or open, so you won't miss the next open wireless network any more.

CoconutBattery isn't just a tool which shows you only the current charge of your battery - it also shows you the current maximum capacity of it in relation to the original capacity your battery had as it left the factory. You also get information about the battery-loadcycles (how often did you fully load your battery), the current charger (coconutBattery even warns you if you plugged in a wrong charger for your Notebook) and last but not least information about the age of your Mac.

Hex Fiend is a fast and clever free hex editor for Mac OS X. It's available as Universal binary (for PowerPC and Intel Macs).

Screenshot Plus is a widget that can take full screen captures, grab portions of the screen, and even capture windows, desktop icons and other widgets.

Open Terminal Here opens up a new Terminal session in the focused directory of your finder.

Mulberry is a free email client available for Linux, Windows and OSX. This clients support sieve filtering (local and server side), it has an integrated calender with webdav support, speeling check in several languages, addressbook (can read nativ OSX adressbook), GnuPG and many other features.

goPod is a program that allows you to remove the EU Volume limitation on EU iPod's (3g and newer).

SnapNDrag lets you take a screenshot by just clicking a button and dragging the resulting screenshot off.

Journler is the premier notebook and entry based information manager for the Macintosh. It supports entries by date or folder, multiple folder levels and smart families, audio and video recording, encryption, spotlight, inline media viewing, AppleScript, stunning iLife integration, iWeb, Mail and iPod integration, and so much more!

Teleport is a simple utility to let you use one single mouse and keyboard to control several of your Macs. Simply reach the edge of your screen, and your mouse teleports to your other Mac! The pasteboard can be synchronized, and you can even drag & drop files between your Macs.

Pathway is an app designed to solve the aforementioned problems. Its aim is to help you discover Wikipedia without having to worry whether you'll have enough time to read everything you want, or if you'll get lost. It accomplishes this by presenting you with a graphical "network" representation of your visited article pages. A node represents an article, a connection between two nodes means, of course, that you've gone from the first article to the second one. You can save the network you've created to disk and recover it. Pathway has a small but useful feature set, is easy to use and tries not to get in the way. Written in Cocoa, it offers the elegance you'd expect from a native Mac application.

Hallon can create bookmarks in many applications (like iTunes) that usually can't create bookmarks and they are always accessible from a menu whatever you are doing. You can e.g. bookmark your favorite songs, an email that you have to reply to later that day, some documents that you are working on or the contact information of a friend whom you need to call before the end of the week. And you play the song, open the email, the document or the contact information just by choosing the bookmark in the Hallon menu. You create a bookmark by selecting what you want to bookmark and then press a user-definable hotkey or by choosing "Add..." in the Hallon menu. If you want, you can write notes and set a due date with alarm for each of the bookmarks. Hallon comes with support for Address Book, Finder, iPhoto 5, iTunes, Mail Safari and Terminal but you can yourself add support for many other applications by downloading from the site or creating your own.

Lingon is a graphical interface for creating launchd configuration files and controlling them through launchctl for Mac OS X Tiger. (launchd is a system daemon that is used to run scripts/programs automatically, repeatedly or at certain times.) You get all your launchd configuration files listed in a table so you easily can see which are loaded and what they do, and you can also load and unload any easily. If you want to create or edit a launchd configuration file you can do that in Lingon through an assistant or in an easy graphical way (or through an built-in text editor, should you want to).

Smultron is a text editor written in Cocoa for Mac OS X 10.4 Tiger or later. It is designed to be easy and intuitive to start off with and to become more and more able as and when the user wants it. Some of its features are line numbers, support for syntax colouring for many different languages, functions list, support for text encodings, snippets, a toolbar, a status bar, HTML preview, split window, multi-document find and replace with regular expressions, possibility to show invisible characters, tabs, authenticated open and saves, command-line utility, .Mac synchronisation, full screen editing and running commands from within Smultron.

7z is the archive format, providing high compression ratio. Main features are: Open architecture, High compression ratio, Strong AES-256 encryption, Ability of using any compression, conversion or encryption method Supporting files with sizes up to 16000000000 GB, Unicode file names, Solid compressing and Archive headers compressing.

FreeDMG allows the user to perform drag-and-drop disk imaging on the fly. Both the program's window, and the dock icon can be used for drop imaging. There are currently twelve (12) compression form ats that the user can select from (UDZO, UDCO, etc.). Users may also choose to make internet enable disk images. Verbose preference, and log window help users hide/display additional information about the current image.

CocoaMySQL is an application used to manage MySQL databases (locally or over the internet). It lets you add and remove databases and tables, change fields and indexes, view and filter the content of tables, add, edit and remove rows, perform custom queries and dump tables or entire databases. See all of its features here!

CronniX is an Aqua frontend to the powerful Unix tool "cron". Cron is a Unix system service that allows scheduled execution of scripts, programs, applications - in short anything that can be started from the command line. This includes OSX applications and AppleScripts.

Address-o-sync is an easy to use, but powerful application to share and sync the contacts and Address Book groups of the Address Books on your rendezvous network. It is possible to share only certain groups created in the Address Book, that means you are able to choose which group of contacts (e.g. company) will be shared and which should not be accessible. (e.g. private)
To prevent that every person in your network can get your Address Book contacts you will be asked to determine a password that people will need to get access to your Address Book.

The Unarchiver is a much more capable replacement for "BOMArchiveHelper.app", the built-in archive unpacker program in Mac OS X. The Unarchiver is designed to handle many more formats than BOMArchiveHelper, and to better fit in with the design of the Finder. It can also handle filenames in foreign character sets, created with non-English versions of other operating systems. Supported file formats include Zip, Tar-GZip, Tar-BZip2, Rar, 7-zip, LhA, StuffIt and many other more or less obscure formats. Support for so many formats is achieved by using the libxad unarchiving library.

JustLooking is an image viewing program for Mac OS X. JustLooking is designed to be a replacment for the “Preview” application on your computer for browsing images. In particular, it has the following differences. It focuses on files and directories instead of lists of files. Thus, once you load a file, you can easily navigate through all other files in the same directory. It displays images at their native resolution instead of interpreting DPI information stored in the image meta-data. While images are printed at the maximum resolution possible, on screen they are displayed pixel-by-pixel. Being designed more for viewing of Images, it properly shows animated GIF files.The entire program can easily be manipulated and powered by simple keystrokes for a quick and pleasant viewing experience. JustLooking also supports such basic features as printing and rotating and will hopefully prove to be sufficiently functional for most users’ needs.

Witch lets you access all of your windows by pressing a shortcut and choosing from a clearly arranged list of window titles.

Xee is a lightweight, fast and convenient image viewer and browser. It is designed to be a serious tool for image viewing and management, with a sleek and powerful interface. Xee works as a much more useful replacement for Preview, or most any other image viewer available on Mac OS.

Footagehead is an easy-to-use image browser that does what you'd expect from an image browser, plus some handy extras. Consistent with the Mac OS X look and feel, quickly find, browse, sort and show of your photos, Spotlight support, open images from a remote web server with the click of a button, images can be extracted from any HTML page, or even from RSS streams, browse remote Flickr photostream

SyncTunes transfers files from iTunes to Palm PDAs, Sony PSP, Sony Ericsson K750/P910/W800i, no-brand MP3 player. It is probably compatible with other audio players too, except iPods which have a special database file. A great application and it's free.

iTerm is a full featured terminal emulation program written for OS X using Cocoa. We are aiming at providing users with best command line experience under OS X. The letter i represents a native Apple look and feel of the program interface, and an emphasis on complete international support. iTerm was merged from two projects, CTerminal and TerminalX, both of which were based on JTerminal project. The current version is still in beta stage. It is however very much functional and usable. In example it offers Multi-tab within one window, nookmarks for storing settings of most used sessions, anti-idle function that avoids disconnection because of no activity and may other features

New entry

MediaFork project started as an independant effort to add features and enhancements to the latest HandBrake codebase and provide users with updates. The first public beta, MediaFork 0.8.0b1, was released yesterday with significant enhancements over HandBrake 0.7.1