Need OpenOffice on a PC that doesn”t have it installed? Want to carry that and a suite of other useful software on your USB drive so that you can carry it with you?
Check out http://portableapps.com/
It includes Firefox, OpenOffice, Pidgin and a host of other applications that have been adapted for running off your Flash Thumb Drive / external drive and even runs them from a Windows-style navigation menu that runs in your system tray. No more hunting for the executables on your memory stick.