MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
VcXsrv - Download VcXsrv Windows X Server for free.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
X410 - X Server for Windows 10
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
Cygwin - Cygwin is a set of tools that provide Linux and POSIX functionality to Windows.