zsh - The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a powerful command interpreter for shell scripting.
fish shell - The friendly interactive shell.
Xiki - Xiki makes the command line friendlier and more powerful.
win-bash - win-bash is a Windows port of the famous GNU bash (see GNU Bash homepage).
GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
rc - a shell - This is a reimplementation for Unix, by Byron Rakitzis, of the Plan 9 shell.