What are some alternatives?
When comparing win-bash and zsh, you can also consider the following products
GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
fish - The friendly interactive shell.
DASH - DASH is a secure, blockchain-based global financial network which offers private transactions.
PowerShell - Download WMF. Windows Management Framework contains the latest versions of PowerShell, DSC, WMI, and WinRM for older versions of Windows. PowerShell Module Browser. Search for PowerShell modules and cmdlets.
Xiki - Xiki makes the command line friendlier and more powerful.
fshell - fshell is the Symbian equivalent of bash + telnet + a posix-like set of command-line tools.