Although some tools (e.g. Gnome Keyboard Indicator) might have trouble changing the layout, you should be able to change the keyboard layout using setxkbmap.

setxkbmap de
setxkbmap us

No even though X2go uses the same libraries, X2go aims for an even greater integration into the Linux environment. It’s not possible to use NX client to log on to a X2go server and vice versa.

LTSP requires a high bandwidth on your network. It can efficiently be used in Local Area Networks (LANs) only.

However, X2go is not a mere solution for local area networks, but it also allows for the integration of a mobile network into the system. Nomachine’s NX libraries - used by X2go - enable the transport of whole desktop sessions over a narrow bandwith connection through the internet.

Further bonuses of X2go are that you can pause a desktop session and take it to a different thin client for further use.

Yes - the NX libraries of x2goserver are copied to /usr/lib/x2go, so they can be installed parallel to an existing FreeNX installation.

No. The postgres database is only needed if you are planing to use more than one connected server (server array). By default x2goserver installs with SQLite support enabled. To set up X2go with PostgreSQL as DB backend you have to edit the x2goserver's configuration in /etc/x2go.

Yes, you can find it on our download page.

Yes, you can find it on our download page.

To set a print target, you'll need x2goclient. For example you can use the RDP tunneling feature of X2go.