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This is a list of notable software packages which were published as free and open-source software, or into the public domain, but were proprietized, such that later versions were only released under a proprietary software license.

List of formerly open-source software
Title Original release Relicensed release Initial free license Notes
Boot to Gecko/Firefox OS, proprietized as KaiOS 2013 2017 MPL Still uses GPL Linux kernel, but otherwise proprietary
FBReader 2013 2015 GPL Apparently the number of devs was limited, and they all agreed to relicense it.
LiveJournal 1999 2014 GPL The source code was made private in 2014.
LiveCode 2013 2021 GPL The Livecode company developed it, ran a Kickstarter campaign to GPL it, ran it for eight years-open-source, and then relicensed it back to proprietary, saying there were few other contributors, most were using the free GPL version, and they couldn't sustain the project.[1]
October (CMS) 2014 2021 MIT License [2]
PyMOL 2000 2010 Python License[3] [4][5][6][7]
Reddit 2008 2017 Common Public Attribution License Source code was made private in 2017, as the internal codebase had already diverged significantly from the public one.
Tux Racer 2000 2002 GPL Commercial expansion by original authors, also called "Tux Racer".
Nexuiz 2005 2012 GPL As Nexuiz (2012 video game). Original forked into Xonotic. Several core devs agreed to relicensing the code, "Nexuiz" name, and domain; other devs disputed their right to relicense code written by non-consenting devs.[8]

See also

References

  1. ^ Anderson, Tim (2021-09-06). "Why we abandoned open source: LiveCode CEO on retreat despite successful kickstarter". The Independent. Archived from the original on 2021-09-15. Retrieved 2021-09-18.
  2. ^ "October CMS Moves to Become a Paid Platform". October. 2021-04-12. Archived from the original on 2021-06-03. Retrieved 2021-09-19.
  3. ^ now a custom license granting broad use, redistribution, and modification rights, but assigning copyright to any version to Schrodinger, LLC.
  4. ^ "PyMOL | pymol.org". pymol.org. Retrieved 2021-11-07. Open-Source Philosophy
    PyMOL is a commercial product, but we make most of its source code freely available under a permissive license. The open source project is maintained by Schrödinger and ultimately funded by everyone who purchases a PyMOL license.
    Open source enables open science.
    This was the vision of the original PyMOL author Warren L. DeLano.
  5. ^ "schrodinger/pymol-open-source". GitHub. Retrieved 2019-06-24.
  6. ^ "PyMOL Molecular Graphics System". SourceForge.
  7. ^ "Open-Source PyMOL". Schrodinger, Inc. 2021-11-05. Retrieved 2021-11-07.
  8. ^ "Nexuiz Founder Licenses It For Non-GPL Use". Slashdot. 2010-03-22. Retrieved 2016-10-30.
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