Portable Firefox [*]
"Portable Firefox is a fully functional package of Firefox optimized for use on a USB key drive. It has some specially-selected optimizations to make it perform faster and extend the life of your USB key as well as a specialized launcher that will allow most of your favorite extensions to work as you switch computers." link
see also:
Firefox Live (Run From a CD)
Portable Thunderbird (USB Drive-Friendly)
Portable OpenOffice (USB Drive-Friendly)
see also:
Firefox Live (Run From a CD)
Portable Thunderbird (USB Drive-Friendly)
Portable OpenOffice (USB Drive-Friendly)