Why isn BLT included in ActiveTcl?
BLT is not provided with ActiveTcl, which is our free Tcl/Tk distrbution available for Windows, UNIX, and OS X. For more information on what is included with ActiveTcl, please see the documentation at: http://aspn.activestate.com/ASPN/docs/ActiveTcl We do not provide BLT at this time largely because it is an unmaintained extension with outstanding issues, and cannot be considered “stable”.