I did not use the xmanager program, but these are the features of the MobaXterm program
Key features
Embedded X server
Fully configured Xserver based on X.org
Easy DISPLAY exportation
DISPLAY is exported from remote Unix to local Windows
X11-Forwarding capability
Your remote display uses SSH for secure transport
Tabbed terminal with SSH
Based on PuTTY/MinTTY with antialiased fonts and macro support
Many Unix/Linux commands on Windows
Includes basic Cygwin commands (bash, grep, awk, sed, rsync,...)
Add-ons and plugins
You can extend MobaXterm capabilities with plugins
Versatile session manager
All your network tools in one app: Rdp, Vnc, Ssh, Mosh, X11, ...
Portable and light application
MobaXterm has been packaged as a single executable which does not require admin rights and which you can start from an USB stick