The 2A-ChitChat Client/Server is an easy-to-use instant  chat tool like e.g. ICQ or AIM and similar programs. The 2A-ChitChat advantage is a completely ciphered data transmission, free configuration of TCP-ports (only one port is used - important for firewalls), tiny footprint (no additional DLL's or runtime) and no public server needed.Here are some key features of "2A-ChitChat":

Ссылка: http://www.doub..-ChitChat.zip