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List of commercial software with available source code

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Title: List of commercial software with available source code  
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Subject: Abandonware, List of commercial video games with available source code
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List of commercial software with available source code

This is a list of notable software which were originally developed as commercial (and/or proprietary) software product with the source now available (in contrast to software which is developed from the beginning as free and open source software). Most often sold and released originally without the source code (but not always), sometimes the source code becomes available later. Sometimes the source code is released under a liberal software license on end of life (Abandonware), sometimes it becomes available by other means, like leaking or reverse engineering.

While such software often becomes later open source software or public domain, also 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 it has legally to be considered as still proprietary.

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

List of formerly closed-source software
Title Original release Source code availability New license Notes
Adobe Flex 2004 2007 MPL Since renamed to Apache Flex and changed to Apache License 2.0
AdvFS 1990s June 2008 GPL v2 HP opened up AdvFS from Tru64 UNIX.
Andrew File System now OpenAFS 1989 2000 IBM Public License AFS was originally developed at Carnegie Mellon University, and developed as a commercial product by the Transarc Corporation, which was subsequently acquired by IBM. At LinuxWorld on 15 August 2000, IBM announced their plans to release a version of their commercial AFS product under the IBM Public License.[3] This became OpenAFS.
Allegiance (now FreeAllegiance) 2000 2004 Shared Source[4] Real-time strategy and Space combat simulator videogame released by Microsoft Research under a shared source license ("MSR-SSLA") 2004.[5]
Apache Derby 1996 August 2004 Apache License 2.0 Relational database management system originally called Cloudscape; released as free and open-source software by IBM in 2004 and donated to the Apache Software Foundation
Apple DOS 1978 2013 non-commercial license The Apple DOS source code was released by the Computer History Museum[6] after Paul Laughton, the creator of the code, donated it.[7]
ASP.NET 2002 14 May 2013 Apache License 2.0[8] released by Microsoft in 2013
Photoshop 1.0.1[9] 1990 February 2013[10] COMPUTER HISTORY MUSEUM SOFTWARE LICENSE (non-commercial license)[11] 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.
BDS C Compiler 1979 2002 Public domain Released by author
Bitstream Vera (font) Unknown 2003 custom non-commercial Through the efforts of Bitstream and the GNOME Foundation
Blender 1996 2003 GPL Originally proprietary shareware software, it was open sourced in 2002 after a €100,000 crowdfunding campaign.[12][13][14][15]
Call to Power II 2000 2003 own non-commercial license[16] Source code was handed to the community to allow them self-support.[17][18]
CAS.CADE 1990s 1999[19] "Open Cascade Technology Public License" / since 6.7.0 LGPL 2.1[20]
C*Base 1980s 2003 GPL
Common Desktop Environment 1993 2012 LGPL v2+ [21][22]
CMU Sphinx 2000 BSD [23][24]
CuneiForm 1993 2008 BSD Optical character recognition software
Duke Nukem 3D 1996 2003 GPL Game code only, no data, no engine.
Darwin (operating system) 1999 1999 Apple Public Source License
Doom engine 1993 1997 id software license[25]/later GPL Code only. Originally released under a restrictive license in 1997, in 1999 re-licensed under GPL
DR-DOS/Caldera OpenDOS 7.01 1976 May 1997 CALDERA'S OPENDOS END-USER LICENSE AGREEMENT[26] The Caldera OpenDOS 7.01 source code was a base for the DR-DOS/OpenDOS Enhancement Project in 2002.[27]
Etherpad 2008 2009 Apache License 2.0 Open sourced after being purchased by Google
Free Download Manager (FDM) 2003 August 2007 GPL Free since version 2.5[28]
GEM February 1985 April 1999 GPL Development continued as OpenGEM and FreeGEM.
FAR Manager October 1996 October 2007 BSD Version 2.0 released as open source.
Gentium (font) 2002 2005 OFL Through the efforts of SIL International
Helix (multimedia project)[29][30] 2002 RealNetworks Community Source License The Helix Community is an open collaborative effort to develop and extend the Helix DNA platform.[31]
HoverRace 1996 2006 originally time limited license / later non-commercial GrokkSoft HoverRace SourceCode License.[32]
ILWIS 1988 2007 GPL Released as free and open-source software by ITC
Jump 'n Bump 1998 1999 Emailware[33] Source code released under a emailware license.
id Tech 2 1997 2001 GPL
id Tech 3 1999 2005 GPL
id Tech 4 2004 2011 GPL The released version is the source code to Doom 3; source code to newer id Tech 4 games has yes to be released. Changes to the code had to be made to avoid use of the patented Carmack's Reverse.
Java 1995 1998 Sun Community Source License In 1998 Sun Microsystems released much of Java under the terms of the Sun Community Source License.[34]
Jumper 2.0 2007 2008 GPL Publicly announced on 29 September 2008.[35]
Korn shell 1982 2000 custom license; later CPL
LightZone 2005 2012 3-clause BSD Company went out of business
MacPaint 1984 2010 non-commercial license[36] 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.[37]
Marathon 2: Durandal 1995 2000 GPL The code was released under the GPL while the data is still proprietary. Now known as Aleph One
MegaZeux 1994 GPL MegaZeux is a game creation system (GCS) inspired by Tim Sweeney/Epic Megagames' classic shareware game ZZT. Both the code and the world files and music files are made freely available by Alexis Janson (Software Visions).
MS-DOS 1.10 and 2.0 1982 2014 MICROSOFT RESEARCH LICENSE (non-commercial license)[38] On March 25, 2014 Microsoft made the code to MS-DOS 1.10 and 2.0 available to the public under a Microsoft Research License for educational purposes.[39][40]
Microsoft Word for Windows version 1.1a 1991 2014 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.[38][41]
Miles Sound System (early DOS version called Audio Interface Library) 1991 2000 Public domain Source code release of the AIL version 2 for DOS by John Miles into the public domain in 2000.[42][43]
MINIX 1987 2000 BSD
Movable Type October 2001 December 2007 GPL Weblog software
MySQL 1995 2000 dual-licensing: GPL[44][45][46] / proprietary license[47]
NCSA Mosaic 2.7 1993 March 2010[48] own license[49] first graphical browser
NetBeans 1997 October 2007 GPL, CDDL An integrated development environment (IDE) for Java and other programming languages
Netscape Enterprise Server January 2009 BSD Sun Microsystems open sourced it.[50]
Netscape Navigator/Communicator 1994 1998 MPL See Mozilla[51][52]
Open Sound System 1992 2007 GPL, CDDL
OpenWRT ? 2003 GPL As Linksys built the firmware for their WRT54G wireless router also from GPL'ed code,[53] they were required to make the source code available in July 2003.[54][55]
Pine (email client) 1989 1996 own license[56] Before 1996 under BSD license, it was switched to a proprietary license while still having the source code available.[57]
Performance Co-Pilot 1993 December 1999 GPL, LGPL
Qt 1991 1999 QPL First released as open source under the QPL. Later released as GPL. Qt 4.5 and later are released under the LGPL. Until 2005 the Windows version was only under proprietary license.
Quake engine 1996 1999 GPL The map sources were also released under the GPL in 2006.
Rise of the Triad 1994 2002 GPL Only the code was released under the GPL.
Scilab Scilab license[58] / later CeCILL Before v5 Scilab's source code was distributed under the non-commercial "scilab license".
Second Life client 2003 2007 GPL v2
SimCity 1989 2007 GPL v3 Free version released as 'Micropolis' [59]
Solaris 1989 2005 CDDL Free version released as OpenSolaris
StarOffice 1986 2000 LGPL/SISSL[60] Free version released as LibreOffice, which is also under the LGPL and has largely displaced StarOffice is still released separately under a proprietary license, using mostly the same code; Sun requires all contributors to the main project assign joint copyright to Sun.
Stellar Frontier 1997 2008[61] STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE (non-commercial license)[62] 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 August 4, 2006, ceasing official support for multiplayer mode but released the source code under a shared source license in 2008.
Symbian 1997 (as Psion EPOC32)[63] 2010[64][65] EPL / Nokia Symbian License[66]
Synfig 2001 2005 GPL Some more information is available on the Synfig history page.
Tesseract OCR 1985 2005 Apache License 2.0 Released as free and open-source software by HP and UNLV
Torque 3D 2001 2012 MIT License Developed for Tribes 2. Released as free and open-source software by Dynamix
TurboCASH April 1985 July 2003 GPL
Warzone 2100 March 1999 December 2004 GPL Video game by Eidos Interactive
Watcom C compiler 1988 2003 Sybase Open Watcom Public License Released as Open Watcom, under a license which is considered free by the OSI but not by the FSF.[67]
XMind 2007 2008 Eclipse Public License and LGPL Mindmapping software based on the Eclipse RCP

See also


  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 - Understanding Open Source and Free Software Licensing By Andrew M. St. Laurent, August 2004
  3. ^ os-afs archived
  4. ^ allegiancelicense.txt Microsoft Research Shared Source license agreement ("MSR-SSLA")
  5. ^ Colayco, Bob (2004-02-06). "Microsoft pledges Allegiance to its fanbase".  
  6. ^ Shustek, Len (2013-11-12). "Apple II DOS source code". Retrieved 2013-11-30. 
  7. ^ "Apple II's 35-year-old operating system is now open to the public". November 13, 2013. Retrieved 2014-08-22. 
  8. ^ "ASP.NET is part of a great open source .NET community".  
  9. ^ Adobe Photoshop Source Code
  10. ^ Bishop, Bryan (2013-02-14). "Adobe releases original Photoshop source code for nostalgic developers". Retrieved 2013-10-15. 
  11. ^ photoshop-license-agreement
  12. ^
  13. ^ Blender Foundation Launches Campaign to Open Blender Source on linuxtoday (Jul 22, 2002)
  14. ^ 'Free Blender Fund' campaign archived 2002
  15. ^ Membership People can subscribe to become Foundation Member. Members who subscribe during the campaign period, get additional benefits for their support. During campaign: - Costs: minimum one time fee of EUR 50 (or USD 50) (archived 2002)
  16. ^ Call-to-Power-II-Source-Code-End-User-License-Agreement
  17. ^ Bell, John (2009-10-01). "Opening the Source of Art". Technology Innovation Management Review. Retrieved 2012-12-30. [...]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. 
  18. ^ Apolyton CTP2 News Archieve
  19. ^ Downloading Of Source Code For Open Cascade Gains Momentum
  20. ^ "FAQ". Open Cascade. Retrieved 18 May 2013. 
  21. ^ Thom Holwerda. "CDE released as open source". OSNews. Retrieved 2012-08-06. 
  22. ^ Dave Lounsbury. "How the Operating System Got Graphical". The Open Group. Retrieved 2012-09-27. 
  23. ^ "CMU Sphinx Open Sourced - Slashdot". Retrieved 2014-08-18. 
  24. ^ "SourceForge: CMU Sphinx Transition to Open Source". Retrieved 2014-08-18. 
  25. ^
  26. ^ license.txt
  27. ^ Welcome to the DR-DOS/OpenDOS Enhancement Project!
  28. ^ Free Download Manager » Blog Archive » FDM 2.5 is released!
  29. ^ ZDNet UK (5 December 2002) RealNetworks opens more Helix DNA, Retrieved on 2009-08-02
  30. ^ ZDNet UK (6 August 2003) RealNetworks releases player code for Linux, Retrieved on 2009-08-02
  31. ^ Helix Community About Helix Community, Retrieved on 2009-08-05
  32. ^
  33. ^ 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!
  34. ^ Loukides, Mike (1999-03-01). "Some Thoughts on the Sun Community Source License".  
  35. ^ "Jumper Networks Press Release for Jumper 2.0". Jumper Networks, Inc. 29 September 2008. 
  36. ^ "MacPaint and QuickDraw Source Code".  
  37. ^ Hesseldahl, Erik (2010-07-20). "Apple Donates MacPaint Source Code To Computer History Museum". Archived from the original on 2012-02-09. 
  38. ^ a b Levin, Roy (2014-03-25). "Microsoft makes source code for MS-DOS and Word for Windows available to public". Official Microsoft Blog. Retrieved 2014-03-29. 
  39. ^ TechNet Blogs, Microsoft makes source code for MS-DOS and Word for Windows available to public, Retrieved March 25th, 2014.
  40. ^ Phipps, Simon (2014-03-26). "Psych! Microsoft didn't really open-source MS-DOS". InfoWorld. Retrieved 2014-03-27. 
  41. ^ Shustek, Len (2014-03-24). "Microsoft Word for Windows Version 1.1a Source Code". Retrieved 2014-03-29. 
  42. ^ AIL Version 2, the complete Open Source release of the Miles Sound System Version 2 for DOS on
  43. ^ AIL2.ZIP
  44. ^ "Oracle :: MySQL Open Source License". Retrieved 8 June 2009. 
  45. ^ "MySQL GOES GPL". Archived from the original on 12 August 2001. 
  46. ^ "Oracle :: FLOSS License Exception". Retrieved 8 June 2009. 
  47. ^ "Oracle :: MySQL Commercial License". Retrieved 8 June 2009. 
  48. ^ Browse the Web as it Looked in 1993 By Michael Calore
  49. ^
  50. ^ jyri virkki (2009-01-13). "Announcing Open Source Web Server". Archived from the original on 2009-02-09. Retrieved 2012-04-23. 
  52. ^ "MOUNTAIN VIEW, Calif., April 1 /PRNewswire/ -- Netscape Communications and open source developers are celebrating the first anniversary, March 31, 1999, of the release of Netscape's browser source code to".  
  53. ^ Linksys WRT54G and the GPL on lkml (7 Jun 2003)
  54. ^ The Open Source WRT54G Story By Aaron Weiss (November 08, 2005)
  55. ^ Linksys Releases GPLed Code for WRT54G on slashdot (July 2003)
  56. ^ Chris Allegretta: When Non-Free is "Free Enough"
  57. ^ Re: DFSG vs Pine's legal notices: where exactly is the gotcha?
  58. ^ Scilab
  59. ^ "Micropolis Downloads". Retrieved 2012-04-23. 
  60. ^ Proffitt, Brian (October 13, 2000). "StarOffice Code Released in Largest Open Source Project". Retrieved 2013-01-10. Sun's joint effort with CollabNet kicked into high gear on the OpenOffice Web site at 5 a.m. PST this morning with the release of much of the source code for the upcoming 6.0 version of StarOffice. According to Sun, this release of 9 million lines of code under GPL is the beginning of the largest open source software project ever. 
  61. ^ "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."
  62. ^ stellar_frontier_source_eula.txt STARDOCK SHARED SOURCE STELLAR FRONTIER LICENSE
  63. ^ "infoSync Interviews Nokia Nseries Executive". 2010-06-24. Archived from the original on 2011-07-13. Retrieved 2010-08-12. 
  64. ^  
  65. ^ Menezes, Gary. (2010-09-11) Symbian OS, Now Fully Open Source. Retrieved on 2011-09-25.
  66. ^ "Not Open Source, just Open for Business". 2011-04-04. Archived from the original on 2012-03-16. Retrieved 2014-08-23. 
  67. ^ Watcom
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