Utilities to keep your edit bay running smoothly.

Disk Warrior X This utility is indispensable for restoring corrupted disk directories. It is a one trick pony, but nobody does it better. I carry this CD with me everywhere. Run it once a month on your system to keep things working the way you expect.

Tech Tool Pro (version 4.01). This system test and maintenance tool can help you spot trouble early

Macaroni. Runs key background Unix utilities run in a timely fashion after installation

Sponge Sponge is a tool to keep your Mac’s hard disk free of waste and junk temp files.

AppZapper, a software uninstaller tool

DiskInventory X, capable of showing the biggest files on your hard drive.

Other Tools

Oynx

kuler.adobe.com

An amazingly intuitive web 2.0 tool for designers / graphic artists / digital artist that utilize color schemes, principals and palettes in their projects. Kuler is free to check out and registered users are able to download custom swatches and save favorites to their own Adobe account page.

Pros
Free. kuler Adobe Air Widget is available.
Cons
none