A simple Echo server (RFC 862) written in Java. It works via HTTP/1.0. It has several modes of operation. For further information run it with the --help option. Use telnet or a web browser to access the server.
Wetnet - Web and Wireless Telnet
Wetnet alows people to access telnet services over the web and via wap browsers, giving you full access to the internet over any web-enabled device such as public web access terminals and wap enabled phones.
SmartShell is a Java web application providing a pure HTTP/HTML client for secure shell access (SSH). The user interface is simple and AJAX based and can be simply customized to fulfill your needs.