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The last Linux Doom binaries were provided by id Software on October 13, 1996, through the company's FTP server. The source code to the Linux version of Doom was released by id Software on December 23, 1997, under a non-profit End user license agreement; it was re-released on October 3, 1999, under the terms of the GPL-2.0-or-later license.
Doom engine: GNU GPL (code), BSD (media) A Doom WAD file intended to be used instead of the copyrighted file from the original Doom and Doom II. The Glorious Mission: Giant Interactive Group 2013-06-20 Windows: Proprietary license Online multiplayer. Developed with the People's Liberation Army of China for use as a recruitment and training tool.
This is a list of notable open-source video games. Open-source video games are assembled from and are themselves open-source software, including public domain games with public domain source code. This list also includes games in which the engine is open-source but other data (such as art and music) is under a more restrictive license.
Doom was one of the first major commercial games to be released for Linux.. The beginning of Linux as a gaming platform for commercial video games is widely credited to have begun in 1994 when Dave D. Taylor ported the game Doom to Linux, as well as many other systems, during his spare time.
The source code to the Linux version of Doom was released to the public under a license that granted rights to non-commercial use on December 23, 1997, followed by the Linux version of Doom II about a week later on December 29, 1997. [4] [5] The source code was later re-released under the GNU General Public License v2.0 or later on October 3, 1999.
Curiously, it was discovered that the game contained code from the Linux kernel (specifically the vsprintf function, presumably used for debugging), and therefore violates the GNU General Public License. Source code from a very early build of the GBA version was also found. [223] S.T.A.L.K.E.R.: Clear Sky (X-Ray Engine 1.5.10) 2008 2014 Windows FPS
This is a list of proprietary source-available software, which has available source code, but is not classified as free software or open-source software. In some cases, this type of software is originally sold and released without the source code , and the source code becomes available later.
Initially developed on NeXT computers, it was ported to MS-DOS for Doom's release and was later ported to several game consoles and operating systems. The source code was released on 23 December 1997 under a proprietary license, and then later on 3 October 1999 under GPL-2.0-or-later. [6]