Instant messaging

Skype

Free your conversations.
Skype-to-Skype calls are always free - but that’s just the start with Free video calling on your Desktop computer and iPhone or Android compatible phone.
http://www.skype.com

Meebo

Meebo gives you the freedom to share. Whether you use Meebo here or on your favorite sites around the web, Meebo brings you and your friends together. You can add a Meebo toolbar to your site to allow friends and visitors to chat with you.
You can link your AIM, Yahoo!, Windows Live Messenger, Google Talk, ICQ, Jabber and Facebook accounts
http://www.meebo.com

Windows Live Messenger

Connect and share instantly on the world’s most popular IM network
http://http://explore.live.com/windows-live-essentials?os=other

ICQ

Welcome to ICQ, the largest multi lingual community on the Web! Download ICQ, meet new friends, find old pals and get together with people around the world!
http://www.icq.com

Agile Messenger

Agile Messenger is the most feature rich and versatile Instant Messenger for mobile phones on the market today.
http://www.agilemobile.com/agile_messenger.html

Yahoo! Messenger

Instant message with friends on Yahoo!, Windows Live™ Messenger and more...
http://messenger.yahoo.com

Skype

Free your conversations.
Skype-to-Skype calls are always free - but that’s just the start with Free video calling on your Desktop computer and iPhone or Android compatible phone.
http://www.skype.com

Meebo

Meebo gives you the freedom to share. Whether you use Meebo here or on your favorite sites around the web, Meebo brings you and your friends together. You can add a Meebo toolbar to your site to allow friends and visitors to chat with you.
You can link your AIM, Yahoo!, Windows Live Messenger, Google Talk, ICQ, Jabber and Facebook accounts
http://www.meebo.com

Windows Live Messenger

Connect and share instantly on the world’s most popular IM network
http://http://explore.live.com/windows-live-essentials?os=other

ICQ

Welcome to ICQ, the largest multi lingual community on the Web! Download ICQ, meet new friends, find old pals and get together with people around the world!
http://www.icq.com

Agile Messenger

Agile Messenger is the most feature rich and versatile Instant Messenger for mobile phones on the market today.
http://www.agilemobile.com/agile_messenger.html

Yahoo! Messenger

Instant message with friends on Yahoo!, Windows Live™ Messenger and more...
http://messenger.yahoo.com