Nu Shell - A modern shell written in Rust
GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
the xonsh shell - Xonsh is a Python-powered, cross-platform, Unix-gazing shell language and command prompt.
fish shell - The friendly interactive shell.
PowerShell Studio - PowerShell Studio is the easiest GUI designer and script generator available.
fshell - fshell is the Symbian equivalent of bash + telnet + a posix-like set of command-line tools.