Yes. All LaCie software utilities are free for owners of LaCie hardware.
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If you own an Intel-based Mac, a properly formatted LaCie drive (via the Setup Assistant) can be used as a startup disk. The Assistant sets the correct GUID Partition Table (GPT), which is mandatory for bootable drives. Lacie Setup Assistant Mac Os X Download
To add encryption (the equivalent of Private-Public): Lacie Setup Assistant Mac Os X Download