Two free Microsoft Office Suite-like applications:
Open Office
http://www.openoffice.org/
Lotus Symphony
http://symphony.lotus.com
When to all of the people on Twitter.com sleep?
When do they sleep?
http://www.sleepingtime.org
Try mine out if you don’t know anyone else who uses Twitter, search ‘RonDoyle’. In reality it is off about an hour for me.