CLISP is a portable ANSI Common Lisp implementation and development environment by Bruno Haible. Interpreter, compiler, debugger, CLOS, MOP, FFI, Unicode, sockets, CLX. UI in English, German, French, Spanish, Dutch, Russian, and Danish.
Web Console is a web-based application that allows to execute shell commands on a server directly from a browser. The application is very light, does not require any database and can be installed in about 3 minutes.
Babya System is a free shell replacement that is Windows XP compatible and easy to use. It has many useful features-like Babya Discoverer, which has automatic popup ad blocking, and easy access to Windows Control Panel applets.