Free HTTP tunnel for POP3 and SMTP - serFISH.com
The mailFISH is a free POP3/SMTP tunnel, which makes it possible to access your mail accounts from behind any firewall or proxy.
Tools
[ Mibbit ]
Mibbit is a fully featured IRC Client. Allowing you to interact realtime with your friends. Chat, play games, colaborate on projects together and more.
Free web-based SSH client - serFISH.com
The consoleFISH is a web based SSH client. It provides free access to any SSH server via your web browser. The consoleFISH is based on AJAX and HTML, so no software needs to be installed.