Giver let users whom are in the same network can share files each other easily,no need configuration,what you need to do is just dragging your mouse icon,really simple and useful.

Do you think Beagle、Tracker are slow for searching files? If yes,please try Catfish,Catfish is a fast and versatile file searching tool ,its interface is intentionally lightweight and simple, using only GTK+ 2. You can configure it to your needs by using several command line options.Catfish supports document,image,music,video.. various files. Read more on Catfish.