There are 14 repositories under infocom topic.
Zork I (Microcomputer Version) by Infocom
The Hitchhiker's Guide to the Galaxy, by Steve Meretzky and Douglas Adams (Infocom)
Mainframe Version of Zork (Infocom)
Zork I (Microcomputer Version) (Solid-Gold Edition) by Infocom
Zork III (Infocom)
Planetfall, by Steve Meretzky (Infocom)
Zork II (Microcomputer Version) (Infocom)
Beyond Zork: The Coconut of Quendor by Brian Moriarty (Infocom)
Deadline by Marc Blank (Infocom)
The Restaurant at the End of the Universe (Incomplete, Unreleased) (Infocom)
Enchanter (Zork IV) by Marc Blank and Dave Lebling (Infocom)
Bureaucracy, by Infocom
A Mind Forever Voyaging, by Steve Meretzky (Infocom)
Trinity by Brian Moriarty (Infocom)
Suspended by Mike Berlyn (Infocom)
Infidel by Mike Berlyn (Infocom)
Stationfall, by Steve Meretzky (Infocom)
The Lurking Horror, by Dave Lebling (Infocom)
Leather Goddesses of Phobos Gold Edition, by Steve Meretzky (Infocom)
Starcross by Dave Lebling
Wishbringer: The Magick Stone of Dreams by Brian Moriarty (Infocom)
James Cameron's The Abyss (Unfinished, Unreleased) by Bob Bates, Infocom
Leather Goddesses of Phobos, by Steve Meretzky (Infocom)
Sherlock: The Riddle of the Crown Jewels, by Bob Bates of Infocom (1987)
Arthur: The Quest for Excalibur, by Bob Bates of Infocom (1989)
Spellbreaker (ARCHMAGE, MAGE, ZORK 6) by Dave Lebling (Infocom)
Z-Machine interpreter for Android
The Witness, by Stu Galley (Infocom)
Cutthroats, by Michael Berlyn and Jerry Wolper (Infocom)
Sorcerer by Steve Meretzky (Infocom)
Border Zone, by Marc Blank (Infocom)
Hollywood Hijinx, by Hollywood Dave Anderson (Infocom)
James Clavell's Shōgun by Dave Lebling of Infocom (1989)
Ballyhoo, by Jeff O'Neill (Infocom)
Plundered Hearts (Amy Briggs) (Infocom)