NX remote access framework (see http://www.nomachine.com/developers.php ). Mark comments, "... positively impressed by NX's performance, working on my old pentium laptop from work is almost as fast as working locally. Added plus is the possibility to connect through a proxy." [Explain pertinence to Tcl.]
NX is used as abbreviation for the Tcl extension next-scripting, a scripted OO langauge based on the Next Scripting FrameworkNSF