NetHack - Falcon's Eye

NetHack already in portableapps.com library.
There is a "GUI" for NetHack for windows:
It is distributed under the NetHack General Public Licence. like NetHack
NetHack - Falcon's Eye

From official site:
"Falcon's Eye is a mouse-driven interface for NetHack that enhances the visuals, audio and accessibility of the game, yet retains all the original gameplay and game features."