List of Z-machine interpreters

General

Name	Version	License	Programming language
Aimfiz	0.5	GPL3	C
Bocfel	0.6.2	GPL3	C
CellarDoor	?	?	?
Filfre	1.1.1	?	C++
Fizmo	0.8.5	?	C
Flaxo	?	?	?
Foblub	0.2.1	?	?
Frotz	2.44	?	C
Fweep	0.8.3	GPL3	?
Infgmb	?	?	?
Infuse	0.97	GPL3	ANSI C
Jzip	2.1	?	?
Malyon	1.0.3	?	?
MaxZip	?	?	?
Nitfol	?	?	?
Rezrov	?	?	?
Viola	0.8	GPL2	?
XZip	1.8.2	?	?
Zax	?	MIT	?
Zeal	1.1	?	?
Zip	?	?	?
ZLR	?	GPL2	?
ZMPP	?	?	?
Zoom	?	GPL	?
Zterp	0.3	?	?
ZVM (ifvms.js)	?	BSD2	?
ZXZVM	?	?	?

Here is the equivalent information from the new database:

Name	Status	Version	Date	License
Aimfiz
Bocfel	Stable	2.0	2022-02-16	GPL
CellarDoor	Unmaintained
CliFrotz	Unmaintained	1.6	2005-03-24
Cugel	Unavailable
Dialog	Stable	0m/03, library 0.46	2021-01-02
Discourse Frotz	Stable
ElseIFPlayer	Stable		2021-07-27	MIT
Emglken	Stable	0.5.2	2023-04-30	MIT, some terps GPL-2.0
Fabularium	Unmaintained	1.4.1	2018-11-18
Fabularium (F-Droid)	Stable	1.5.0	2019-10-03
Filfre	Unmaintained	1.1.1	2013-01-24
Fizmo		0.8.5	2017-09-10
Flashonate	Unavailable
Flaxo	Unavailable
Frotz	Stable	2.54
Frotz for iOS	Stable	1.8.6	2020-09-07
Fweep	Unmaintained	0.8.4	2013	GNU GPL v3 or later version
Gargoyle	Stable	2023.1	2023-02-20	GPL-2.0
Gelek Vanilla	Stable	2.1.4	2022-02-21	GNU GPL v2
GLUZMA
Gnusto	Unmaintained
Hunky Punk	Stable	1.8	2021-04-05
Ifvms.js	Stable	1.1.6	2021-02-11
Incant	Unmaintained
Inform 6	Stable	6.36	2022-01-25
Inform 7	Stable	10.1.2	2022-08-31	Artistic 2.0
Infuse	Beta	0.98.2	2022-03-30	GPL V3
JSZM				Public domain
Jzip	Unmaintained	2.1	2000-10-10
Leaflet	Unavailable
Lectrote	Stable	1.4.3	2022-07-22	Mostly MIT, some interpreters BSD, GPL-2.0
M3ZVM	Stable	5	August 2022	GPL version 2
M4ZVM	Stable	Release 15	2022-08-07	GPL 2.0
MaxZip	Unmaintained	178
Nitfol	Unmaintained	0.6
Ozmoo	Stable	12.2	2022-12-26	GPL 2.0
Parchmap
Parchment	Stable	2023.4.30	2023-04-30	MIT (parts under BSD, GPLv2)
PSZM				Public domain
Puddle BuildTools for PunyInform	Stable	1.4	2021-12-27	Freeware, see file LICENSE for details
PunyInform	Stable	4.5	2023-04-22	MIT
Rezrov		0.20	2010-06-03
ScummVM	Stable	2.6.1	2022-10-31	GPL
Spatterlight	Stable	0.9.8	2022-10-08
Text Fiction	Unmaintained	2.6	2014-09-17
Thunderword	Unmaintained
Twisty	Unmaintained
Vezza	Beta	Pre-release	2022-12-09	GPL 2
Viola		0.8		GNU GPL
Windows Frotz	Stable	1.22	2021-02-13
Windows Frotz 2002
XZip		1.8.2
Zax	Beta	0.92	2018-12-09	MIT
ZDevtools	Stable	2.0.2	2022-02-25	MIT
ZILF	Stable	0.9	2019-08-11
ZLR	Beta
ZMPP	Unmaintained	2.1.1	2016-04-07
ZoIP	Unavailable	0.21	2006-09-17
Zoom	Unmaintained	1.1.5
Zork Machine Interpreter and Debugger				Public domain
ZPlet	Unmaintained
ZXZVM	Stable	1.12	2016-05-15	GPL

Operating Systems

Name	DOS	Linux	Windows	Mac Classic	Mac OS X	FreeBSD	Solaris	Famicom	Gameboy	.NET/Mono	Gameboy Advance	Windows CE	PalmOS
Aimfiz	?	?	Yes	?	?	?	?	No	No	No	?	?	?
Bocfel	?	?	?	?	?	?	?	?	?	?	?	?	?
CellarDoor	?	?	?	?	?	?	?	?	?	?	?	?	?
Filfre	?	?	Yes	?	?	?	?	?	?	?	?	?	?
Fizmo	?	Yes	Yes	?	Yes	?	?	?	?	?	?	?	?
Flaxo	?	?	?	?	?	?	?	?	?	?	?	?	?
Foblub	?	?	?	?	?	?	?	?	?	?	?	?	?
Frotz	Yes	Yes	Yes	?	Yes	Yes	?	?	?	?	Yes	Yes	?
Fweep	?	Yes	Yes	?	?	?	?	No	No	?	?	?	?
Infgmb	?	?	?	?	?	?	?	?	Yes	?	?	?	?
Infuse	?	Yes	?	?	?	?	?	?	?	?	?	?	?
Jzip	Yes	Yes	?	?	?	Yes	Yes	?	?	?	?	?	?
Malyon	?	?	?	?	?	?	?	?	?	?	?	?	?
MaxZip	?	?	?	Yes	?	?	?	?	?	?	?	?	?
Nitfol	Yes	Yes	?	Yes	Yes	?	?	?	?	Yes	?	?	?
Rezrov	?	?	?	?	?	?	?	?	?	?	?	?	?
Viola	?	Yes	Yes	?	?	?	?	?	?	?	?	?	?
XZip	?	Yes	?	?	?	Yes	?	?	?	?	?	?	?
Zax	?	?	?	?	?	?	?	?	?	?	?	?	?
Zeal	?	Yes	?	?	?	?	?	?	?	?	?	?	?
Zip	?	?	?	?	?	?	?	?	?	?	?	?	?
ZLR	?	Yes	Yes	?	?	?	?	No	No	Yes	No	?	?
ZMPP	?	?	?	?	?	?	?	?	?	?	?	?	?
Zoom	?	Yes	?	?	Yes	Yes	?	?	?	?	?	?	?
Zterp	?	?	?	?	?	?	?	?	?	?	?	?	?
ZVM (ifvms.js)	?	?	?	?	?	?	?	?	?	?	?	?	?
ZXZVM	?	?	?	?	?	?	?	?	?	?	?	?	?

Here is the equivalent information from the new database:

Name	System	System details
Aimfiz	Windows
Bocfel	Windows • macOS • Linux
CellarDoor	Other
CliFrotz	Other	PalmOS
Cugel	macOS	MacOS X (Cocoa)
Dialog	Browser • Windows • Linux	An online editor is available: see [[Borogove]].
Discourse Frotz	Other	System: Discourse forum.
ElseIFPlayer	Browser
Emglken	Browser • Windows • macOS • Linux
Fabularium	Android
Fabularium (F-Droid)	Android
Filfre	Windows
Fizmo
Flashonate	Browser	Flash
Flaxo	Browser	Flash
Frotz	macOS • Linux • Other
Frotz for iOS	iOS
Fweep	Windows • Other	C source code and Win32 executable available
Gargoyle	Windows • macOS • Linux
Gelek Vanilla	Linux	Ubuntu Touch (GNU/Linux).
GLUZMA	Other	Unknown
Gnusto	Browser
Hunky Punk	Android
Ifvms.js	Browser • Windows • macOS • Linux	Is available as a console app through npm. To use online, see [[Parchment]].
Incant
Inform 6	Browser • Windows • macOS • Linux	An online editor is available: see [[Borogove]].
Inform 7	Browser • Windows • macOS • Linux	An online editor is available: see [[Borogove]].
Infuse	Linux	Works well for V3-5 games, has both ncurses and "dumb" interfaces (for scripting)
JSZM	Browser	Javascript
Jzip	Linux • Other
Leaflet	Browser
Lectrote	Windows • macOS • Linux
M3ZVM	Tandy TRS-80	TRS-80 Model 3 with 48K
M4ZVM	Tandy TRS-80	TRS-80 Model 4/4D/4P running LS-DOS or TRS-DOS 6.2 (real or emulator)
MaxZip	macOS
Nitfol	Windows • Linux
Ozmoo	BBC Micro/Acorn Electron • Commodore 64/128 • Other	Use a Windows, Mac or Linux computer to run the make script (make.rb) which builds disk image(s) for the system you want to play on (Commodore 64, 128, Plus/4, or MEGA65 + there's a port for Acorn/BBC). You can also use Ozmoo Online instead of installing it on your computer: http://microheaven.com/ozmooonline/
Parchmap	Browser
Parchment	Browser
PSZM	Other	PostScript
Puddle BuildTools for PunyInform	Windows • macOS • Linux
PunyInform	Browser • Windows • macOS • Linux • MS-DOS • Classic Mac OS • Acorn Archimedes • Atari ST • Commodore Amiga • Other	PunyInform games can be developed on any platform which the Inform 6 compiler can be built for. There are usually binaries available for Windows and macOS, but you should also be able to build the compiler for Linux, Amiga, Archimedes, Atari ST, BeOS, Mac Classic, OS/2, MS-DOS, Unix, VMS and EPOC.
Rezrov	Other	Perl
ScummVM	Windows • macOS • Linux • iOS • Android • Atari ST • Commodore Amiga • Other	Other systems: Nintendo 3DS, Nintendo DS, Nintendo Switch, PlayStation Portable, Playstation Vita, Playstation 3, Sega Dreamcast, RISC OS (see [https://docs.scummvm.org/en/v2.5.1/ ScummVM Documentation])
Spatterlight	macOS
Text Fiction	Android
Thunderword	Android
Twisty
Vezza	CP/M • Amstrad CPC • Amstrad PCW • Apple II • Atari 400/800 • MSX • MSX2 • Sinclair ZX Spectrum • Tandy TRS-80 • Other	Requires minimum z80 and CP/M 2.2 or CP/M 3. Current builds support VT-52, ADM-3a, HGT, VT-100, VT-100 with ANSI colour, and Soroc 120 terminal emulations. Various platform builds tested and available. Atari requires FujiNet/DT80. Supported platforms not listed include MicroBee and SAMCoupe.
Viola	Other	Python
Windows Frotz	Windows
Windows Frotz 2002	Windows
XZip	Linux
Zax	Other	Java application
ZDevtools	Windows • macOS • Linux
ZILF	Windows • macOS • Linux
ZLR	Windows
ZMPP	Android
ZoIP	Other	Bridge between the Z-machine and telephony devices
Zoom	macOS
Zork Machine Interpreter and Debugger	Other	Unknown
ZPlet	Browser
ZXZVM	Amstrad PCW • Sinclair ZX Spectrum • Other	Spectrum +3/+3e. Spectrum with ResiDOS (thanks to Garry Lancaster). Amstrad PCW (any model, including the PcW16).

Z-machine Versions

Name	1	2	3	4	5	6	7	8	Standard Revision Number
Aimfiz	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	0
Bocfel	Yes	Yes	Yes	Yes	Yes	Partial	Yes	Yes	1.1
CellarDoor	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	?
Filfre	No	No	Yes	Yes	Yes	No	No	Yes	1.1
Fizmo	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	1.0
Flaxo	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	?
Foblub	No	No	Yes	Yes	No	No	No	No	?
Frotz	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	1.1
Fweep	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	0
Infgmb	Yes	Yes	Yes	No	No	No	No	No	?
Infuse	No	No	Yes	Yes	Yes	Partial	Yes	Yes	1.2(WIP)
Jzip	Yes	Yes	Yes	Yes	Yes	No	No	Yes	1.0
Malyon	?	?	Yes	?	Yes	?	?	Yes	?
MaxZip	Yes	Yes	Yes	Yes	Yes	No	No	Yes	?
Nitfol	Yes	Yes	Yes	Yes	Yes	Partial	Yes	Yes	?
Rezrov	No	No	Yes	Yes	Yes	No	No	Partial	?
Viola	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	1.1
XZip	Yes	Yes	Yes	Yes	Yes	No	No	Yes	?
Zax	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	"nearly" 1.0
Zeal	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	?
Zip	?	?	?	?	?	?	?	?	?
ZLR	No	No	Yes	Yes	Yes	Partial	Yes	Yes	1.0
ZMPP	?	?	?	?	?	?	?	?	?
Zoom	?	?	Yes	?	Yes	Yes	?	?	?
Zterp	Yes	Yes	Yes	Yes	Partial	?	?	?	?
ZVM (ifvms.js)	No	No	No	No	Yes	No	No	Yes	1.2
ZXZVM	?	?	Yes	Yes	Yes	?	?	Yes	?

Z-machine Features

Name	Colors	Status Line	Beeps	Sound Effects	Timed Input	Text Formatting	Pictures	Font 2	Font 3	Upper Window	Undo	Mouse	Menus	Unicode	Save Games	Auxiliary Files	Piracy Check	Input Logs	Transcript
Aimfiz	Yes	Yes	Yes	No	Yes	Yes	Partial	Yes	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Partial	No	Yes
Bocfel	Yes	Yes	No	Partial	?	Yes	?	?	Partial	Yes	Yes	?	?	Yes	Yes	?	?	Yes	Yes
CellarDoor	?	?	?	?	?	Yes	Yes	?	?	?	?	?	?	Partial	Yes	Yes	?	Yes	Yes
Filfre	?	?	?	Yes	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Fizmo	Yes	?	?	Yes	Yes	Yes	?	?	Yes	?	?	?	?	Yes	Yes	?	?	Yes	?
Flaxo	?	?	?	?	?	?	?	?	?	?	No	?	?	?	No	?	?	?	?
Foblub	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Frotz	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes
Fweep	No	Partial	Partial	No	No	No	No	No	No	No	Yes	No	No	No	Yes	Yes	Partial	Yes	Yes
Infgmb	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Infuse	Yes	Yes	No	No	Yes	Yes	Partial	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes
Jzip	Yes	?	?	?	?	?	?	?	?	Yes	?	?	?	?	?	?	?	?	?
Malyon	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
MaxZip	Yes	?	?	?	?	Yes	?	?	?	Yes	?	?	?	?	?	?	?	?	?
Nitfol	?	?	?	Yes	?	?	?	?	?	?	Yes	?	?	?	Yes	?	?	?	?
Rezrov	?	?	?	?	?	Yes	?	?	Partial	?	Yes	?	?	?	?	?	?	Yes	?
Viola	Yes	Yes	No	Yes	Yes	Yes	Yes	No	No	Yes	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes
XZip	?	?	?	?	?	Yes	?	?	?	?	?	?	?	?	?	?	?	?	?
Zax	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Zeal	?	?	?	?	?	?	?	?	?	?	?	?	?	?	Yes	?	?	?	?
Zip	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
ZLR	Yes	Yes	Yes	No	Yes	Yes	No	No	No	Yes	Yes	No	No	Yes	Yes	Yes	No	Yes	Yes
ZMPP	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?
Zoom	Yes	?	?	?	?	Yes	Yes	?	?	?	Yes	?	?	?	Yes	?	?	?	?
Zterp	?	?	?	?	?	?	?	?	?	?	?	?	?	?	No	?	?	?	No
ZVM (ifvms.js)	Yes	?	No	No	Yes	Yes	No	?	No	Yes	Yes	No	No	Yes	Yes	No	No	No	No
ZXZVM	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?	?

Save Formats

Name	Infocom	Quetzal	ZSAVE	Other
Aimfiz	No	No	Yes	No
Bocfel	?	?	?	?
CellarDoor	?	Yes	?	?
Filfre	?	?	?	?
Fizmo	?	Yes	?	?
Flaxo	?	?	?	?
Foblub	?	?	?	?
Frotz	?	Yes	No	Yes
Fweep	No	No	Yes	No
Infgmb	?	?	?	?
Infuse	No	Yes	No	No
Jzip	?	Yes	?	Yes
Malyon	?	?	?	?
MaxZip	?	?	?	?
Nitfol	?	Yes	?	?
Rezrov	?	?	?	?
Viola	No	Yes	No	No
XZip	?	?	?	?
Zax	?	?	?	?
Zeal	?	Yes	?	?
Zip	?	?	?	?
ZLR	No	Yes	No	No
ZMPP	?	?	?	?
Zoom	?	?	?	?
Zterp	?	?	?	?
ZVM (ifvms.js)	No	Yes	No	No
ZXZVM	?	?	?	?

Interpreter Features

Name	Blorb	iFiction	Debugger	Default Interpreter Number	Tandy	Scrollback	Aliases	Multiple Undo	Create Standalone
Aimfiz	No	No	No	4	Yes	Yes	Yes	?	No
Bocfel	Yes	?	?	?	?	?	?	Yes	?
CellarDoor	Yes	?	?	?	?	?	?	Yes	?
Filfre	Yes	?	?	?	?	Yes	?	?	?
Fizmo	Yes	Yes	?	?	?	Yes	?	?	?
Flaxo	?	?	?	?	?	?	?	?	?
Foblub	?	?	?	?	?	?	?	?	?
Frotz	Yes	?	?	6	?	?	?	Yes	?
Fweep	No	No	Yes	1	Yes	No	No	No	No
Infgmb	?	?	?	?	?	?	?	?	?
Infuse	Yes	No	No	5	Yes	No	No	No	No
Jzip	?	?	?	?	?	?	?	?	Yes
Malyon	?	?	?	?	?	?	?	?	?
MaxZip	?	?	?	?	?	Yes	?	?	Yes
Nitfol	Yes	?	Yes	?	?	?	?	Yes	?
Rezrov	?	?	Partial	6	?	?	?	Yes	?
Viola	Yes	?	No	6	?	?	?	Yes	?
XZip	?	?	?	?	?	Yes	?	?	?
Zax	?	?	?	?	?	?	?	?	?
Zeal	?	?	?	?	?	?	?	?	?
Zip	?	?	?	?	?	?	?	?	?
ZLR	Yes	No	Yes	6	No	Yes	No	Yes	?
ZMPP	?	?	?	?	?	?	?	?	?
Zoom	Yes	?	?	3	?	Yes	?	?	?
Zterp	?	?	?	?	?	?	?	?	?
ZVM (ifvms.js)	?	No	?	0	No	?	No	Yes	?
ZXZVM	?	?	?	?	?	?	?	?	?

Miscellaneous