An extended Bourne shell with a large number of improvements, including some features of bash, ksh, and tcsh.
An sh-compatible shell that incorporates useful features from the Korn shell (ksh) and C shell (csh).
Non-POSIX interactive shell mostly preconfigured for the user.
Interactive Haskell environment.
Interactive Python shell.
An early UNIX shell.
A modern version of the C shell.