cd to is a fast mini application that opens a Terminal.app window cd'd to the frontmost finder window. This app is designed (including it's icon) to placed in the finder window's toolbar. It's written in Objective-C and uses apple events which makes it much faster than applescript applets that do the same thing. Support has been added for iTerm, xterm and Path Finder.
Online photo album solution combining an OS X manager application with a Flash-based presentation.
Remote installer for use with MacBook Air laptops.
Video file converter for the Mac.
Parallels allows you to run Windows and Mac applications side by side.
Popular and, probably, the best instant messaging client for you Mac.