"If you work some of the time on your laptop and some of the
time on your desktop box, making sure that your work is updated on
both machines is a must. Many tools can help you accomplish this,
from command-line tools such as scp and rsync to generic graphical
applications like Konqueror or Krusader, to more specific tools
like Unison. Komparator and KDiff3, a couple of KDE applications
with interesting features, may offer better ways of syncing your
work.
"Komparator can search and synchronize any two directories. It
uses KIO slaves, which lets you compare not only standard
directories, but also protocol-based pseudofolders such as smb://
(Samba folders), ssh:// and ftp:// (remote directories via SSH and
FTP), and fonts:// (local fonts). Its latest version is 0.8, dated
from October 2007, and it's available under the GPLv2..."