Allen Garvin's repositories
reform-conf
Configuration files for "Reform", the z-machine decompiler
infocom-copy-protection
Remove copy protection from canonical Infocom games.
inform-zork1
Record of Zork I in Inform 6
cisco-policy-suite
Scripts that may or may not be useful if you're running CPS
adventofcode
The popular puzzle competition
projecteuler
The popular math-puzzle site