Viking Child LX ROM Builder - parts and licenses

Python (https://www.python.org) - Python Software Foundation License.
Tcl/Tk (https://www.tcl.tk, the window of the Windows version) - Tcl/Tk license (BSD style).
Packaged with PyInstaller (https://pyinstaller.org) - GPL with an exception that allows distributing
programs packaged with it.

The LX additions (6502 code) and the builder were written for this fan project. Viking Child itself is
not part of this tool: the game is read from the user's own cartridge image.