The Essential Mac Disk Utility
Everything just disappeared after your Mac went haywire. All your work documents. The music you most enjoy. The movie of your kid’s first steps. It’s your life and it’s gone. Don’t panic! DiskWarrior will find your documents, photos, music and any other files when disaster strikes and things go missing.
Perhaps [...]

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Delivering a unique set of easy-to-use features and benefits not found in any other solution, PerfectDisk 2008 will make your computer run like new.
Work and play faster - and smarter. PerfectDisk makes everything you do on your computer faster - so you can be more efficient at your work or play.
PerfectDisk 2008’s patented SMARTPlacement optimization [...]

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iDefrag Features
Supports Tiger filesystems
Send email notifications or make noises when done.
Supports HFS and HFS+ (Mac OS Extended).
Supports case sensitive and journaled filesystems.
Supports adaptive hot file clustering (“Hot Zone”).
Four powerful defragmentation algorithms:

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