What are some alternatives?
When comparing Xming and PuTTY, you can also consider the following products
VcXsrv - Download VcXsrv Windows X Server for free.
MobaXterm - MobaXterm is a software that uses a set of optimized network tools included in a single exe file. MobaXterm integrates several network clients with an X server, and also integrates a full set of Unix based commands. Read more about MobaXterm.
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.
Exceed - Exceed 2008 - permits applications, normally available only on expensive UNIX workstations, to be...
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
MSYS2 - A Cygwin-derived software distro for Windows using Arch Linux's Pacman