64-Bit

Leopard delivers 64-bit power and precision in a single OS.

Core Animation

Create stunning graphics and animations with this built-in API.

Multicore

Leopard takes full advantage of the latest multicore processors.

UNIX

Introducing the fully UNIX-compliant Mac OS X Leopard.

Security

The proven foundation of Leopard keeps your Mac safe.

Bonjour

Holisticly provide access to ethical communities vis-a-vis client-focused.

Leopard

Introducing the new OS X Leopard. With 300+ new features.

Quick Look

Browse, play, view and page through your files. Without opening them.

Time Machine

See how your system looked on a given day and restore files with a click.