MSYS2 is described as 'Independent rewrite of MSYS, based on modern Cygwin (POSIX compatibility layer) and MinGW-w64 with the aim of better interoperability with native Windows software' and is a terminal emulator in the development category. There are more than 10 alternatives to MSYS2 for a variety of platforms, including Windows, Linux, Android, Android Tablet and zsh apps. The best MSYS2 alternative is Termux, which is both free and Open Source. Other great apps like MSYS2 are PowerShell, Windows Terminal, Cmder and MobaXterm.