ICQ is an instant messaging application which was developed by the Israeli company Mirabilis in 1996. ICQ was a huge success and AOL acquired the company in 1998. ICQ was extremely popular during the end of the ‘90s and is still used today.
Yahoo! Messenger is a well known instant messaging application which was launched in 1998 using the name Yahoo! Pager.
Windows Live Messenger is Microsofts instant messaging application launched in 1999. It was known as MSN Messenger before recently changing its name.
Skype was launched in 2003 with lots of buzz surrounding it. It quickly became one of the most popular applications to make voice calls over Internet. The software also has connections to landlines and mobile phones.
Google Wave a platform and communications protocol announced by Google in 2009. It is designed to merge the functionality of email, instant messaging, wiki and social networking.
P.S. This project was closed.
