Z E V O is the game changer in data storage on the Mac. Developed with a solid foundation of data integrity, Z E V O contains all the goodness of ZFS, the 21st-century file system used worldwide to safely and reliably store even the most mission-critical data.
To meet your varying needs for simplicity, price and features,
Z E V O is available in 3 consumer editions: Silver, Gold and Platinum.
True end-to-end data integrity is built in to every Z E V O Edition

Never overwrites existing data
Every single byte is validated
Automatically detects silent corruption
All of your data is verifiable

Visual disk space usage tool for Mac OS

Password Manager + Automatic Form Filler for Mac OS X

Postgres packaged as a launchable Mac application