dgn_comp (NETHACK)      - NetHack dungeon compiler
dlb (NETHACK)           - NetHack data librarian
guidebook (NETHACK)     - A Guide to the Mazes of Menace (Guidebook for NetHack)
lev_comp (NETHACK)      - NetHack special levels compiler
nethack (NETHACK)       - Exploring The Mazes of Menace
recover (NETHACK)       - recover a NetHack game interrupted by disaster