Cygwin - Cygwin is a set of tools that provide Linux and POSIX functionality to Windows.
Termux - Terminal emulator and Linux environment for Android
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.
Linux Deploy - This application is open source software for quick and easy installation of the operating system...
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
MSYS2 - A Cygwin-derived software distro for Windows using Arch Linux's Pacman