Welcome to Coriolis Systems

We’ve been making nice things for your Mac since 2004. Check out our products below.

iDefrag icon

iDefrag

Our award-winning disk optimization and defragmentation utility, iDefrag 5 now features full support for Mac OS X Yosemite (10.10).

View details »

iPartition icon

iPartition

Quickly, easily manipulate partitions on your Mac disks.

View details »

VMOptimizer icon

VMOptimizer

Focused optimization for your VMware Fusion virtual machines.

View details »

Zipster icon

Zipster

Integrates Zip files into Finder.

View details »