Webupon

http://www.iloveim.com/

I Love IM is useful to a MSN Messenger user when you can’t gain access to the main program, just visit the I Love IM website and you can log into messenger and chat away, its easy and simple, check it out.

http://www.blockyell.com/en/

Block Yell allows you to check which of your contacts have blocked or deleted you on you messenger account, altough other website do the same Block Yell doesn’t tell your contacts your using the website and doesn’t change your screen name or store your personal details i.e passwords.

 http://www.customizeyourmsn.com/

This site has thousands of messenger customization emotions, display pictures, MSN names, skins, winks and etc.

There all free and easy to use and there is a wide range of choice so check the site out.