I was running the Windows 8 Update advisor on my Windows XP SP3 Tablet PC to see what was incompatible with Windows 8. (I learned that the machine itself is incompatible - the processor chip does not have NX and Windows 8 will not install on it.)
But the prize, scrolling down the Compatibility List, was this: Compatible ... OpenOffice.org 3.4.1 Apache Software Foundation Nice. - Dennis