Product Name:
Cocktail
Product Description:
Cocktail is a general purpose utility for Mac OS X. The application serves up a scrumptious mix of maintenance tools and interface tweaks, all accessible via a comprehensive graphical interface and toolset. It is a smooth and powerful utility that simplifies the use of advanced UNIX functions.
Creator:
Kristofer Szymanski
URL: http://www.macosxcocktail.com/
I'm nominating Cocktail because I use it all the time and it's very easy to operate. It's a must have to keep your Mac running in tip-top shape.