Bocfel is an interpreter for the Z-machine, made by Chris Spiegel.
It fully supports versions 1-5, 7, and 8, and contains partial support for version 6.
- Almost no platform-specific functions are used—and those that are used are optional—so almost any system with a recent C compiler should be able to build and run Bocfel. - Makes use of Glk for input/ouput, with complete support for Gargoyle; a non-Glk "dumb" interface is also available. - Support (assuming a font with Unicode box-drawing characters) for the character graphics font used by Beyond Zork. - Unicode support. - Multiple undo in almost all games, including those which do not natively support it. - Full control over command recording, transcripting, and command-record playback. - Rudimentary "cheating" support, designed to disable hunger and thirst daemons.