List of proprietary source-available software

Short description: none

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. Sometimes, the source code is released under a liberal software license at its end of life. This type of software can also have its source code leaked or reverse engineered.

While such software often later becomes open source software or public domain, other constructs and software licenses exist, for instance shared source or creative commons licenses.[1][2] If the source code is given out without specified license or public domain waiver it has legally to be considered as still proprietary due to the Berne Convention.

For a list of video game software with available source code, see List of commercial video games with available source code. For specifically formerly proprietary software which is now free software, see List of formerly proprietary software.

Title  | Original author  | Original release  | Source code availability  | OpenSource compatible  | Freeware (data and software)  | Complete Free software (DFSG compatible)  | New license  | Notes

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Amazon Lumberyard | Amazon  | 2002  | 2016  | No  | Yes  | No  | proprietary license  | On 16 August 2017, the source code of the game engine was made freely available under proprietary license terms via GitHub.[3][4]
Apple DOS | Apple Inc. | 1986  | 2015  | No  | No  | No  | non-commercial license  | The Apple DOS source code was released by the Computer History Museum[5] after Paul Laughton, the creator of the code, donated it.[6]
Photoshop 1.0.1[7] | Adobe Systems Inc.  | 1990  | February 2013[8] | No  | ?  | No  | Computer History Museum Software License (non-commercial license)[7] | Adobe Systems Inc. made the source code of the 1990 version 1.0.1 of Photoshop available to the Computer History Museum. Includes all the code with the exception of the MacApp applications library which was licensed from Apple.
Bitstream Vera (font)  | Bitstream Inc. | Unknown  | 2003  | ?  | Yes (non-commercial)  | No (can't be sold by itself)  | custom non-commercial | Through the efforts of Bitstream and the GNOME Foundation
Build | Ken Silverman  | 1995  | 2000  | No  | Yes  | No  | own non-commercial license
Commodore 64 firmware  | Commodore International | 1982  | 2012  | No  | No  | No  |  | Around 2012 Dennis Jarvis, ex-Commodore engineer, made material and source code of the development history of the C64 available.[9] Later the source code was cleaned up, reformated and made build-able again in a GitHub projects by enthusiasts.[10]
Call to Power II | Activision | 2000  | 2003  | No  | No  | No  | own non-commercial license[11] | Source code was handed to the community to allow them self-support.[12][13]
CuneiForm | Cognitive Technologies  | 1993  | 2008  | ?  | ?  | ?  | BSD | Optical character recognition software
Deluxe Paint I (1986)  | Electronic Arts | 1996  | 2015  | No  | Yes  | No  | non-commercial license  | Source code of an early version released by Electronic Arts in 2015.[14]
Duke Nukem 3D | 3D Realms | 1996  | 2003  | Yes  | No  | No  | GPL-2.0-or-later | Game code only, no data, no engine.
Doom | id Software | 1993  | 1997  | Yes  | No  | No  | id software license[15]/later GPLv2+  | Code only. Originally released under a restrictive license in 1997, in 1999 re-licensed under GPL-2.0-or-later.
DR-DOS/Caldera OpenDOS 7.01  | Caldera | 1976  | May 1997  | ?  | ?  | ?  | Caldera's OpenDOS End-User License Agreement[16] | The Caldera OpenDOS 7.01 source code was a base for the DR-DOS/OpenDOS Enhancement Project in 2002.[17]
Furby | David Hampton  | 1998  | August 2018  | ?  | ?  | ?  | Public Domain (?)  | In August 2018, after contacting the US patent office, a PDF scan of the toy's assembler language firmware from the patent's appendix became available on the internet.[18][19] Later it was archived by the Internet Archive,[20] and then manually corrected and transcribed to assemble-able code again by an enthusiast.[21]
FPS Creator Classic  | The Game Creators | 1999 (?)  | February 2016  | No  | Yes  | No  | undefined  | In February 2016 authors decided to release "FPS Creator" as "FPS Creator Classic" source available (no defined license) with many model packs on github.com.[22][23]
Helix (multimedia project)[24][25] | RealNetworks |  | 2002  | ?  | Yes  | No  | RealNetworks Community Source License | The Helix Community is an open collaborative effort to develop and extend the Helix DNA platform.[26]
HoverRace | GrokkSoft  | 1996  | 2006  | ?  | No  | No  | originally time limited license / later non-commercial GrokkSoft HoverRace SourceCode License.[27] |
Jump 'n Bump | Brainchild Design  | 1998  | 1999  | ?  | Yes  | No  | Emailware[28] | Source code released under an emailware license.
Java | Sun Microsystems | 1995  | 1998  | No  | Yes  | No  | Sun Community Source License | In 1998 Sun Microsystems released much of Java under the terms of the Sun Community Source License.[29]
MacPaint | Apple Inc. | 1984  | 2010  | No  | Yes  | No  | non-commercial license[30] | MacPaint 1.3's source code (written in a combination of Assembly and Pascal) is available through the Computer History Museum, along with the QuickDraw source code.[31]
Marathon 2: Durandal | Bungie | 1995  | 2000  | Yes  | No  | No  | GPL-3.0-or-later | The code was released under the GPL-2.0-or-later, then GPL-3.0-or-later, while the data is still proprietary. Now known as Aleph One
Mega (service) | Mega Limited  | 201?  | 2017  | No  | No  | No  | MEGA Limited Code Review License  | Mega Limited released the source code to their client-side software around 28 January 2017 under an own license on github.com.[32][33]
MS-DOS 1.25 and 2.0  | Microsoft | 1982  | 2018  | Yes  | Yes  | Yes  | MIT | On 25 March 2014 Microsoft made the code to MS-DOS 1.25 and 2.0 available to the public under a Microsoft Research License for educational purposes.[34][35] In 2018 they relicensed them under MIT license.[36]
Microsoft Word for Windows version 1.1a  | Microsoft | 1991  | 2014  | No  | Yes  | No  | Microsoft Research License (non-commercial license)  | Microsoft made the source code of the 1991 version of Word available to the Computer History Museum and to the public for educational purposes.[37][38]
MidasWWW | Tony Johnson and Chung Huynh  | 1992  | 2015  | ?  | Yes  | ?  | unspecified  | 16 November 1992 sources were made available in June 2015 at GitHub without specified license.[39][40]
NASTRAN  | NASA | 1960  | 2001  | ?  | ?  | ?  | own license  | In 2001 the NASA released with the "NASA Classics" package also the Finite Element Analysis simulator's source code to the public for free.[41][42][43]
NCSA Mosaic 2.7  | NCSA | 1993  | March 2010[44] | ?  | Yes  | ?  | own license[45] | first graphical browser
NetBeans |  | 1997  | October 2007  | Yes  | Yes  | No  | Apache-2.0 | An integrated development environment (IDE) for Java and other programming languages
Netscape Enterprise Server  | Sun Microsystems |  | January 2009  | ?  |  | ?  | BSD  | Sun Microsystems open sourced it.[46]
PhysX | Nvidia | 2004  | 2015  | Yes  | Yes  | Yes  | 3-clause BSD license (Proprietary until 2018 except for Xbox One, PlayStation 4, and Nintendo Switch)[47] | At GDC 2015, Nvidia made the PhysX' source code available on GitHub, but requires registration on developer.nvidia.com and EULA signing.[48]

Since December 2018, Nvidia relicensed[47] the PhysX' source code under the 3-clause BSD license for Apple iOS, macOS, Google Android ARM, Linux, and Microsoft Windows

Pine (email client) |  | 1989  | 1996  | ?  | ?  | ?  | own license[49] | Before 1996 under BSD license, it was switched to a proprietary license while still having the source code available.[50]
Quake | id Software | 1996  | 1999  | Yes  | No  | No  | GPL-2.0-or-later | The map sources were also released under the GPL in 2006.[citation needed]
Rise of the Triad | 3D Realms | 1994  | 2002  | Yes  | No  | No  | GPL-2.0-or-later | Only the code was released under the GPL-2.0-or-later.
Stellar Frontier | Stardock | 1997  | 2008[51] | No  | Yes  | No  | Stardock Shared Source Stellar Frontier License (non-commercial license)[52] | Stellar Frontier is a multiplayer space strategy/shooter game made by Doug Hendrix in 1995 and published by Stardock. Stardock closed the master server on 4 August 2006, ceasing official support for multiplayer mode but released the source code under a shared source license in 2008.
Swiss Post E-Voting System  | Scytl  | unknown  | 2021[53] | No  | No  | No  | own license  | The software was originally developed by Scytl, but purchased by Swiss Post in 2020.[54] Some parts of the system are released under an open source license, but the main part is not.
Symbian | Nokia | 1997 (as Psion EPOC32)[55] | 2010[56][57] | Yes  | Yes  | No  | EPL / Nokia Symbian License[58] |
Take 2  | Cellsoft / Geert Vergauwe  | ?  | 2015  | ? | Yes  | ? | "open source freeware"  | The popular animation software for the Amiga was gifted in 2015 to the community by the original developer, including the 68k assembly source code.[59][60]
Technicolor TC72xx chipset cable modem firmware/eCos | Technicolor | 2008  | 2015  | Yes  | Yes  | ?  | GPLv2, lGPL, eCos 2.0 license[61] | Released on GitHub on 30. November 2015.[62][63]
v8 Unix, v9, v10  | Unix Heritage Society and Alcatel-Lucent | 1985  | 2017  | No  | Yes  | No  | non-copyright enforcement grant on non-commercial usage  | In 2017, Unix Heritage Society and Alcatel-Lucent USA Inc., on behalf of itself and Nokia Bell Laboratories, released v8, v9, v10 under the condition:[64] "will not assert its copyright rights with respect to any non-commercial copying, distribution, performance, display or creation of derivative works of Research Unix®1 Editions 8, 9, and 10".
Unrar | Rarlabs  | 1995  | 2000  | No  | Yes  | No  | own unrar license[65] | Unrar source code was released by Eugene Roshal/RARlabs sometime in 2000. A GPL fork of older codebase exists.[66]
Warzone 2100 | Pumpkin Studios/Eidos Interactive | March 1999  | December 2004  | Yes  | Yes (only movies not)[67] | Yes (GPL-2.0-or-later, only movies not)[67] | GPL-2.0-or-later | Video game by Eidos Interactive
Watcom C compiler  | Watcom  | 1988  | 2003  | Yes  | Yes  | No  | Sybase Open Watcom Public License | Released as Open Watcom, under a license which is considered free by the OSI[68] but not by the FSF. The FSF has problems with the license as it demands more freedom than the GPL by requiring the release of source code also in the case of private use.[69]
Xerox Alto | Computer History Museum  | 1975  | 2014  | No  | Yes  | No  | own non-commercial license  | On 21 October 2014, Xerox Alto's source code and other resources were released from the Computer History Museum.[70]

## See also

* List of commercial video games with available source code
* List of formerly proprietary software
* Open-core model
* Source-available software

## References

1. ↑ Shared Source, Eventual Source, and Other Licensing Models – Alternatives to Open Source , by Lawrence Rosen (2004)
2. ↑ CHAPTER 5 Non-Open Source Licenses , Understanding Open Source and Free Software Licensing – By Andrew M. St. Laurent, August 2004
3. ↑ Lumberyard & Amazon GameLift: Now Available – Lumberyard on GitHub by Todd Gilbertsen on 15 August 2017
4. ↑ license on github.com/aws/Lumberyard
5. ↑ Shustek, Len (12 November 2013). "Apple II DOS source code". computerhistory.org. http://www.computerhistory.org/atchm/apple-ii-dos-source-code/.
6. ↑ "Apple II's 35-year-old operating system is now open to the public". engadget.com. 13 November 2013. https://www.engadget.com/2013/11/13/apple-ii-dos-source-code-museum/.
7. ↑ 7.0 7.1 "Adobe Photoshop Source Code". http://www.computerhistory.org/atchm/adobe-photoshop-source-code/.
8. ↑ Bishop, Bryan (14 February 2013). "Adobe releases original Photoshop source code for nostalgic developers". theverge.com. https://www.theverge.com/2013/2/14/3990378/original-adobe-photoshop-source-code-now-available-for-free.
9. ↑ Dennis Jarvis Page on 6502.org
10. ↑ c64rom on github.com/mist64
11. ↑ "Apolyton Civilization Site – Call to Power II Source Code End User License Agreement". Apolyton Civilization Site. http://apolyton.net/content.php/318-Call-to-Power-II-Source-Code-End-User-License-Agreement.
12. ↑ Bell, John (1 October 2009). "Opening the Source of Art". Technology Innovation Management Review. http://timreview.ca/article/294. "[...]that no further patches to the title would be forthcoming. The community was predictably upset. Instead of giving up on the game, users decided that if Activision wasn't going to fix the bugs, they would. They wanted to save the game by getting Activision to open the source so it could be kept alive beyond the point where Activision lost interest. With some help from members of the development team that were active on fan forums, they were eventually able to convince Activision to release Call to Power II's source code in October of 2003."
13. ↑ "Apolyton CTP2 News Archive". http://apolyton.net/news/index.php?Category=CtP2&month=200309.
14. ↑ Shustek, Len (12 November 2013). "Electronic Arts DeluxePaint Early Source Code". computerhistory.org. http://www.computerhistory.org/_static/atchm/electronic-arts-deluxepaint-early-source-code/.
15. ↑ "Updated Doom user license / EULA? – Doomworld Forums". http://www.doomworld.com/vb/doom-general/55890-updated-doom-user-license-eula/.
16. ↑ license.txt
17. ↑ Welcome to the DR-DOS/OpenDOS Enhancement Project! on drdosprojects.de
18. ↑ take-a-look-inside-the-furbys-source-code on thenextweb.com (2018-08-13)
19. ↑ furbysource.pdf on seanriddle.com
20. ↑ furby-source on the Internet Archive
21. ↑ furby-source on GitHub
22. ↑ FPS Creator Classic Open Source on thegamecreators.com
23. ↑ FPS-Creator-Classic on github.com/LeeBamberTGC
24. ↑ ZDNet UK (5 December 2002) RealNetworks opens more Helix DNA , Retrieved on 2 August 2009
25. ↑ ZDNet UK (6 August 2003) RealNetworks releases player code for Linux , Retrieved on 2 August 2009
26. ↑ Helix Community About Helix Community, Retrieved on 5 August 2009
27. ↑ "Archived copy". https://raw.github.com/HoverRace/HoverRace/master/license.txt.
28. ↑ Jump 'n Bump readme.txt JUMP 'N BUMP by Brainchild Design in 1998 Jump 'n Bump is e-mailware. That means you're supposed to send us an e-mail. Write for example where you're from and what you thought about this game. If you do that, you will greatly encourage us to make more games for you!
29. ↑ Loukides, Mike (1 March 1999). "Some Thoughts on the Sun Community Source License". O'Reilly Media. http://www.oreillynet.com/pub/a/oreilly/java/news/loukides_0399.html.
30. ↑ "MacPaint and QuickDraw Source Code". Computer History Museum. 20 July 2010. http://www.computerhistory.org/highlights/macpaint/.
31. ↑ Hesseldahl, Erik (20 July 2010). "Apple Donates MacPaint Source Code To Computer History Museum". businessweek.com. http://www.businessweek.com/technology/ByteOfTheApple/blog/archives/2010/07/apple_donates_macpaint_source_code_to_computer_history_museum.html.
32. ↑ MEGA source code on hackernews.com
33. ↑ meganz on github.com
34. ↑ TechNet Blogs, Microsoft makes source code for MS-DOS and Word for Windows available to public , Retrieved 25 March 2014.
35. ↑ Phipps, Simon (26 March 2014). "Psych! Microsoft didn't really open-source MS-DOS". InfoWorld. http://www.infoworld.com/t/open-source-software/psych-microsoft-didnt-really-open-source-ms-dos-239111.
36. ↑ Daws, Ryan (2018-10-01). "Microsoft open sources MS-DOS (for real this time!)" (in en-GB). https://www.developer-tech.com/news/2018/oct/01/microsoft-open-source-msdos/.
37. ↑ Levin, Roy (25 March 2014). "Microsoft makes source code for MS-DOS and Word for Windows available to public". Official Microsoft Blog. http://blogs.technet.com/b/microsoft_blog/archive/2014/03/25/microsoft-makes-source-code-for-ms-dos-and-word-for-windows-available-to-public.aspx.
38. ↑ Shustek, Len (24 March 2014). "Microsoft Word for Windows Version 1.1a Source Code". http://www.computerhistory.org/_static/atchm/microsoft-word-for-windows-1-1a-source-code/.
39. ↑ Connolly, Dan (13 June 2015). "source to MidasWWW from 1992". World Wide Web Consortium. https://lists.w3.org/Archives/Public/public-webhistory/2015Jun/0000.html.
40. ↑ midasWWW at github
41. ↑ NASA Releases Classic Software To Public Domain on newsbytes.com by Susan M (25 October 2001)
42. ↑ nasa-releases-classic-software-to-public-domain on slashdot.com (2001)
43. ↑ NTTC, OSC Celebrate Space Agency's Birthday, Launch "NASA CLASSICS" Software Apps to Commercial Markets on openchannelsoftware.com (2001)
44. ↑ Browse the Web as it Looked in 1993 By Michael Calore
45. ↑ Dipert, Alan (8 March 2010). "ncsa-mosaic/COPYRIGHT". GitHub. https://github.com/alandipert/ncsa-mosaic/blob/master/COPYRIGHT.
46. ↑ Virkki, Jyri (13 January 2009). "Announcing Open Source Web Server". sun.com. http://blogs.sun.com/jyrivirkki/date/20090113.
47. ↑ 47.0 47.1 "PhysX SDK 4.0 Available Now". Nvidia. https://news.developer.nvidia.com/announcing-physx-sdk-4-0-an-open-source-physics-engine/.
48. ↑ "PhysX on GitHub". Nvidia. https://developer.nvidia.com/physx-source-github.
49. ↑ "Linux Today - Chris Allegretta: When Non-Free is "Free Enough"". http://www.linuxtoday.com/infrastructure/2001070202521OPCYDB. Chris Allegretta: When Non-Free is "Free Enough"
50. ↑ "Re: DFSG vs Pine's legal notices: where exactly is the gotcha?". https://lists.debian.org/debian-legal/2002/11/msg00138.html.
51. ↑ stellarfrontier.net/ "So when the game's source code was released by Stardock in 2008 under a shared source license, a few passionate pilots improved the game, fixed the bugs and patched security holes, and established a user-driven renaissance for one of the greatest games ever to grace the PC."
52. ↑ stellar_frontier_source_eula.txt STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE
53. ↑ [1] "Swiss Post is publishing the source code of its future e-voting system today, while also launching an accompanying public bug bounty programme. This means that experts from all over the world can test the system, including by simulating voting procedures, and can report any vulnerabilities they identify."
54. ↑ [2] "In the autumn of 2019, Swiss Post decided to continue developing the e-voting system for Switzerland independently. Since then, it has acquired the rights to the e-voting source code from its former technology partner, Scytl. Swiss Post will publish the new, enhanced source code."
55. ↑ "infoSync Interviews Nokia Nseries Executive". Infosyncworld.com. 24 June 2010. http://www.infosyncworld.com/news/n/11070.html.
56. ↑ Symbian Foundation (4 February 2010), Symbian Completes Biggest Open Source Migration Project Ever, http://www.symbian.org/news-and-media/2010/02/04/symbian-completes-biggest-open-source-migration-project-ever, retrieved 7 February 2010
57. ↑ Menezes, Gary. (11 September 2010) Symbian OS, Now Fully Open Source . Watblog.com. Retrieved on 25 September 2011.
58. ↑ "Not Open Source, just Open for Business". symbian.nokia.com. 4 April 2011. http://symbian.nokia.com/blog/2011/04/04/not-open-source-just-open-for-business/.
59. ↑ Take 2 Animation software gifted to the Amiga Community on amiga.org (September 2015)
60. ↑ Take 2 Animation for the Amiga Computer by Dan Schallock (2015)
61. ↑ cable gateways on technicolor.com
62. ↑ A Popular European Cable Modem Is Now Open-Source by Michael Larabel on Phoronix (9. December 2015)
63. ↑ tch-opensrc on GitHub.com
64. ↑ Samizdat no more: Old Unix source code opened for study by Richard Chirgwin on register.com (30 March 2017)
65. ↑ "Licensing:Unrar – FedoraProject". https://fedoraproject.org/wiki/Licensing:Unrar?rd=Licensing/Unrar.
66. ↑ "Home of unrarlib – UniquE RAR File Library – License". http://www.unrarlib.org/license.html.
67. ↑ 67.0 67.1 "Warzone 2100 Content License". http://forums.wz2100.net/viewtopic.php?f=3&t=858.
68. ↑ "SPDX License List | Software Package Data Exchange (SPDX)". https://spdx.org/licenses/.
69. ↑ "Various Licenses and Comments about Them – Sybase Open Watcom Public License version 1.0 (#Watcom)". gnu.org. https://www.gnu.org/licenses/license-list.html#Watcom. "This is not a free software license. It requires you to publish the source code publicly whenever you "Deploy" the covered software, and "Deploy" is defined to include many kinds of private use."
70. ↑ McJones, Paul (21 October 2014). "Xerox Alto Source Code – The roots of the modern personal computer". Software Gems: The Computer History Museum Historical Source Code Series. Computer History Museum. http://www.computerhistory.org/atchm/xerox-alto-source-code/. "With the permission of the Palo Alto Research Center, the Computer History Museum is pleased to make available, for non-commercial use only, snapshots of Alto source code, executables, documentation, font files, and other files from 1975 to 1987."

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