The Xgrid Agent for Mac OS X 10.3 allows a computer to contribute compute cycles to an Xgrid network using the new Xgrid pane in System Preferences. This can either be a local grid controlled by Mac OS X Server 10.4, or a global grid being run elsewhere over the Internet.
Full Specifications
What's new in version 1.0
General
ReleaseAugust 26, 2008
Date AddedApril 29, 2005
Version1.0
Operating Systems
Operating SystemsMacintosh, Mac OS X 10.3, Mac OS X 10.3.9, Mac OS X 10.4 PPC
Additional Requirements
Xgrid client running on Mac OS X 10.4 or later
Xgrid controller running on Mac OS X Server 10.4 or later