E-mail

www.mail.yahoo.com/
www.gmail.com
www.reddif.com
http://www.hotmail.com/
http://mail.in.com

bloging

https://www.blogger.com/start
http://home.spaces.live.com/
http://360.yahoo.com/

Encyclopedias and dictionaries

http://www.wikipedia.org/
http://www.answers.com/
http://www.encyclopedia.com/
http://www.britannica.com/
http://www.worldbookonline.com/
http://encarta.msn.com/
http://education.yahoo.com/reference/encyclopedia/

Search Engines

http://www.google.co.in/
http://search.yahoo.com/
http://www.ask.com/
http://search.mywebsearch.com/mywebsearch/default.jhtml
http://www.live.com/
http://www.dogpile.com/
http://search.creativecommons.org/

File sharing

http://rapidshare.com/
http://easy-share.com/
www.megaupload.com
www.filefactory.com