Evil Brain Jono's Natural Log
http://www.evilbrainjono.net/cgi-bin/blog/showblog.cgi?permalink=498
"Atul has written an awesome thing! It's a Javascript wrapper for the Z-machine -- the engine behind all the Infocom text-adventure games."
zasterisk - a telephony/text adventure bridge for Asterisk and Infocom games
http://uc.org/read/Zasterisk
"Zasterisk implements a Rezrov ZIO object, allowing a user to communicate with a Z-Machine via telephony devices."
SourceForge.net: The Z-machine preservation project
http://sourceforge.net/projects/zmpp
"A clean Java 5 implementation of a Z-code interpreter."