Isolator is a small menu bar application that helps you concentrate. When you're working on a document, and don't want to be distracted, turn on Isolator. It will cover up your desktop and all the icons on it, as well as the windows of all your other applications, so you can concentrate on the task in hand.

A contextual FTP, SFTP uploader for Mac OS X.

Teleport lets you use a single mouse and keyboard to control several Macs. Simply reach an edge of your screen, and your mouse teleports to your nearby Mac, which also becomes controlled by your keyboard. The pasteboard can be synchronized, and you can even drag & drop files between your Macs.

CoverSutra gives you a handy and attractive way to control iTunes without having to leave your current application.

Legacy Compatibility Mode - makes many applications that use outdated Apple® Remote code compatible with OS 10.6.2 (optional, can be enabled/disabled)

BumpTop is a full 3D experience with smooth, realistic physics, making your Mac’s desktop act more like the real desktop it’s sitting on.

ffmpegX is a Mac OS X graphic user interface designed to easily operate more than 20 powerful Unix open-source video and audio processing tools including ffmpeg the "hyper fast video and audio encoder" (http://ffmpeg.sf.net/), mpeg2enc the open-source mpeg-2 encoder and multiplexer (http://mjpeg.sf.net/MacOS/) and mencoder the mpeg-4 encoder with subtitles support (http://sf.net/projects/mplayerosx).

Just mashed up a quick applescript to post the currently selected news item in NetNewsWire to Twitter.

TwoUp allows you to quickly position a window to fill exactly half the screen (splitscreen) via the menu bar or configurable system-wide shortcuts (hotkeys). Similar to "tiled windows" functionality available on other operating systems.

Socialite is a beautiful Mac OS X application, designed to make it easy to stay in touch with the social networks and services that matter to you. From news on Digg, photos on Flickr, statuses and photos on Facebook and Twitter updates, to full Google Reader RSS syncing, Socialite keeps all your social networks in one convenient place.

Using iPhoto and Aperture for photo management

Delibar focuses on giving Mac OS X users an easy and quick tool for searching, managing and sharing their Delicious bookmarks.

Delete associated files when you uninstall an application from your Mac

creating a virtual computer on your physical computer. Let’s say you’re running OS X Leopard on your Mac, but you’d like to use Windows XP or Vista or some flavour of Linux as well. Without virtualization, you’d need to either dual boot or install your second OS on a second machine. Using virtualization you can have your guest OS running as a window on your host OS, or better yet, have them run side-by-side, almost as equals.

TapeDeck is a powerful and fun new audio recorder for Mac OS X Leopard. It’s just like your old analog tape recorder, only better. A lot better.