sudosh2 is an auditing shell and filter, and can be used as a login shell. It records all keystrokes and output and can play back the session. It is a continuation of the development of sudosh.
tacshell is a drop-in replacement for the RSA ACE/Server sdshell program, which allows UNIX shell authentication via a SecurID token.
Tcsh is an enhanced, but completely compatible version of the Berkeley UNIX C shell (csh). It is a command language interpreter usable both as an interactive login shell and a shell script command processor. It includes a command-line editor, programmable word completion, spelling correction, a history mechanism, job control and a C-like syntax.
tcshrc creates a set of configuration scripts for the TCSH shell. These scripts exploit the most advanced features of tcsh.
Universal Menu System - a menu interface to Linux commands
V6 Thompson Shell Port
V6 Thompson Shell Port is a port of the Sixth Edition (V6) UNIX Thompson shell (circa 1975). The project includes Osh, an enhanced, backward-compatible port of the shell, as well as Sh6 (a port of the original shell) and glob6 (a port of the global command).
vimsh is an interactive shell buffer. It allows execution of shell commands in a vim buffer, without having to suspend the vim session.