The builds provided here are for PowerPC based Macs. They won't run on the new Intel based Macs. Downloads for Intel based Macs are here.
The most up to date version of OpenOffice.org 2.0.x series is
OpenOffice.org 2.0.3 for MacOS X Intel in English (US), French and German
The builds use X11. X11 is provided by Apple or XDarwin.
The 2.0.x release runs on Mac OS X 10.3.x and higher operating systems. It requires additional software to run, such as Apple's X11 ( not included in the diskimage).
Everyone is invited to join the project and lend a hand!
If you have difficulties installing, please take a look at our Installation How-To.
It's available in the following languages: English(translated from french : Loic Geslin), German (translation Uwe Altmann) and French (original document)
If you're having trouble downloading OpenOffice.org make sure you read our Download troubles section on our support site
Choose a language and the mirror site closest to you. A click should start the download of the dmg installation file.