Cygwin is described as «Unix-like environment and command-line interface for Microsoft Windows. Cygwin provides native integration of Windows-based applications, data, and other system resources with applications, software tools, and data of the Unix-like environment» and is a very popular app in the os & utilities category. There are more than 25 alternatives to Cygwin for a variety of platforms, including Windows, Linux, BSD, Mac and zsh. The best alternative is Termux, which is both free and Open Source. Other great apps like Cygwin are Windows Terminal, MinGW, Alacritty and MSYS2.Cygwin alternatives are mainly Terminal Emulators but may also be Shells or Linux Distros. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Cygwin.