http://www.maths.mq.edu.au/~steffen/
I'm one of the maintainers of Mac OS X and Mac OS Classic code in Tcl and Tk (c.f. [L1 ] & [L2 ]).
I maintain TclTk Aqua Batteries-Included [L3 ], a binary distribution of the Mac OS X native Tcl/Tk and many popular extensions. Distributions of OS X Tcl/Tk only and of a self-contained Wish appliation are also available. See below for a list of packages included with the latest TclTkAquaBI 8.4.2.0 release.
I've also been putting together the latest MacOS Classic Tcl/Tk binary releases [L4 ] (since 8.3.2p1), and have ported/updated some standard Tcl extensions to Mac Classic.
I'm part of the team developing the next generation of the tcl-scriptable MacOS text editor Alpha [L5 ] and its Tcl library AlphaTcl [L6 ] (also c.f. Alphatk).
Links to some resources I maintain:
Mac Tcl/Tk resources:
Alpha & AlphaTcl resources:
Packages included with the TclTk Aqua BI 8.4.2.0 distribution: