iDefrag helps defragment and optimize your disk for improved performance.

iDefrag Features

Supports HFS and HFS+ (Mac OS Extended).
Supports case sensitive and journaled filesystems.
Supports adaptive hot file clustering ("Hot Zone").
Four powerful defragmentation algorithms:

Compact data, moving all free space to one place.
Optimize filesystem metadata.
On-line defragmentation.
Defragment whilst your disk is mounted.
Advanced programmable optimization.
Rearrange your disk the way you want.

B-Tree metadata file compaction/optimization support.
High-performance user-defined file classification engine.
Per-block and accurate whole disk display.
Detailed statistics so you know whether you need to optimize.
Inspector allows you to view details of individual extents/files.
Quickly jump to specific files to examine them in more detail.
Altivec accelerated display for improved performance.
Auto-update feature ensures you always have the latest version.
Fine-grained security, just like iPartition.
AppleScript support.

Note: Coriolis Systems Limited is shut down and does not provide any support for its products. The license information can be obtained from the Coriolis Systems' website

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