Good third party programs?

I'm going to reinstall OSX in a few days, and I've backup all my necessary programs, etc. I'm a relatively new Mac user, so I didn't have any third party programs installed last time, but I'm looking at a couple now... What do you guys recommend? So far I've decided on App Zapper and Carbon Copy Cloner.

Any more suggestions?

Thanks,
Paul

graphic converter, superduper, audacity, amadeus pro, vuescan, clamxav, feeder, audio hijack, garage sale, monolingual, onyx, cocktail, just a mention a few...

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