It is a pure HTML implementation, so this chat is free from any firewall's restrictions. JChat is an experimental servlet project for providing simple, fast forms-based chat and the source code is freely available under the GNU Public Licensing Agreement. System user can open and control multiples chatrooms. Guest users just have to enter a nickname for chatting. Private messages are allowed.
Root user chooses chatroom's name and subject.
Note that this chat doesn't need frames to run. All rights reserved.