All the free software as you can eat ;0)
It’s getting a bit retro now, but here is a superb matrix screen saver that imprints the film characters within the matrix. It’s a lovely effect to see animated. Available for linux and windows.
Installing Compiz Fusion instructions
Just trying out ntfs-3g, which provides ntfs read and write support in feisty. Simply search for the ntfs-config (a nice UI) package in synaptic (not the ntfs-3g) an install.
More information can be found on http://www.ntfs-3g.org/ including alleviating concerns over stability.
I’m very, very slowly being converted to the dark side or light side depending on your perspective. Ubuntu is a great linux distribution with a breadth of opensource apps that can be installed. The synaptic package manager makes installing anything as easy as ever.