tclexecomp is a TclTk executable wrapper, which creates a single executable file from a Tcl script.
Currently it can create binaries for Linux (64-bit), Windows (64-bit) and macOS (64-bit).
It is based on Freewrap, but with many more Tcl modules integrated.
For more information see http://tclexecomp.sourceforge.net/
The latest version (released 29.04.2020) is V1.2.0 and uses Tcl 8.6.10.