Next Scripting Framework (NSF): Object orientation for Tcl - shared library

 The Next Scripting Framework (for short: NSF) is an infrastructure
 for creating object-oriented scripting languages based on Tcl. This package
 provides two ready-made object-orientated extensions for Tcl based on
 NSF: Next Scripting Language (NX, pronounced "next") and Extended
 Object Tcl version 2 (XOTcl2, pronounced "exotickle").