A free open-source alternative to the Microsoft Office suite. Comprises Writer (word processor), Calc (lets you create tables), Impress (a tool for creating multimedia presentations), Draw (vector graphics editor), Math (equation editor). All the above applications can work with MS Office documents as well.
Lets you find out the distance your mouse has run, as well as the number of times each mouse button has been clicked and the number of times the keyboard keys have been pressed...
Lets you search for and download files through the Gnutella network. Contains no spy modules, but does display a banner and pop-ups.