Ansible
- Kind
- infrastructure provisioning tool, infrastructure automation software, configuration manager, free software
- Implemented in
- Unix shell, C#, Python, PowerShell
- Appeared
- 2012
DOOM Retro
- Kind
- source port
- Implemented in
- C
- Appeared
- 2013
Dungeon-mode
- Kind
- game engine, read–eval–print loop
- Implemented in
- Emacs Lisp
Eternity Engine
- Kind
- source port
- Implemented in
- C++
- Based on
- SMMU
Git2html
- Implemented in
- GNU Bash
Gmerlin
- Implemented in
- C
- Appeared
- 2001
GNU Artanis
- Implemented in
- GNU Guile
- Appeared
- 2013
GNU FreeDink
- Based on
- Dink Smallwood
- Latest version
- 109.6 (February 16, 2019)
GNU Mailutils
- Kind
- software utilities, GNU package
- Implemented in
- C
- Appeared
- 1999
GNU Role Playing Game Engine
- Appeared
- 2007
GNU Serveez
- Kind
- GNU package, free software
- Implemented in
- C
- Appeared
- 1999
GNU/EDMA
- Implemented in
- C
- Appeared
- 1998
Guile-sly
- Kind
- game engine, abandonware, free software
- Implemented in
- GNU Guile
- Latest version
- 0.1 (November 12, 2015)
Id Tech 4
- Kind
- game engine
- Implemented in
- C++
- Developer
- id Software
MEG-4
- Kind
- fantasy console
- Implemented in
- C
Oddmuse
- Implemented in
- Perl
- Appeared
- 2003
PSX
- Implemented in
- PHP
ScummVM
- Implemented in
- C++
- Appeared
- 2001
SDL Asylum
- Kind
- source port
- Based on
- Asylum
Serveez-MG
- Kind
- free software
- Based on
- GNU Serveez
WorldForge
- Kind
- game engine, free software
- Implemented in
- C++
- Appeared
- 1998