Write your own Greasemonkey script

I've found a site called Dive into Greasemonkey which has a full guide on how to write you own Greasemonkey script, you can write a script for you own needs and everything you need to know from how to install Greasemonkey to making complex scripts is here.

You can read it online here: http://diveintogreasemonkey.org/toc/
or download it here: http://diveintogreasemonkey.org/download/

OpenOffice

If you've wanted to open, create or edit a Word/Powerpoint/Excel file and didn't have MS Office? If you do, OpenOffice, a free and open-source software allows you to do all those things and in my opinion - is much more comfortable to work with than Office.

you can get it here in over 90 languages:
OpenOffice Homepage