List of formerly open-source or free software

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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 made proprietary software, or otherwise switched to a license (including source-available licenses) that is not considered to be free and open source.

List of formerly open-source software
Title Orig. free date License change date Initial free license Non-free license Forked replacement Notes
Akka 2009 2022 Apache-2.0 Business Source License
ArangoDB 2011 2023 Apache-2.0 Business Source License
Aseprite 2001 2016 GPL-2.0 EULA that permits personal use but forbids redistribution LibreSprite
CockroachDB 2015 2019 Apache-2.0 Business Source License
Consul 2014 2023 MPL-2.0 Business Source License
Couchbase Server 2010 2021 Apache-2.0 Business Source License
Couchbase Mobile 2022 Apache-2.0 Business Source License
Elasticsearch 2010 2021 Apache-2.0 "Elastic License" and Server Side Public License OpenSearch
Emby 2014 2018 GPL-2.0 Source code closed on December 8, 2018. Jellyfin
FBReader 2013 2015 GPL-2.0-or-later Apparently the number of devs was limited, and they all agreed to relicense it.
LiveCode 2013 2021 GPL-3.0-only proprietary 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.
LiveJournal 1999 2014 GPL-2.0-or-later The source code was made private in 2014. Dreamwidth
MongoDB 2009 2018 AGPL-3.0-only Server Side Public License
Nexuiz 2005 2012 GPL-2.0-or-later Game abandoned in favour of a commercial video game of the same name, which licensed the Nexuiz title but is not based on its engine. Xonotic
OctoberCMS 2014 2021 MIT Cited the sustainability of its open source model as a factor. Winter
OTRS 2001 2020 GPL-3.0-or-later Support for the Community Edition dropped on December 23, 2020, Znuny
Paint.NET 2004 2007 MIT freeware license that prohibits modification or resale
PyMOL 2000 2010 MIT-CMU
Reddit 2008 2017 CPAL-1.0 Source code was made private in 2017, as the internal codebase had already diverged significantly from the public one.
Redis 2009 2024 BSD-3-Clause dual: custom license and Server Side Public License Valkey
Sourcegraph 2013 2023 Apache-2.0 proprietary
Terraform 2014 2023 MPL-2.0 Business Source License OpenTofu HashiCorp founder considered the move "tragic for open source innovation."
Tux Racer 2000 2002 GPL-2.0-or-later Commercial expansion by original authors, also called Tux Racer. Extreme Tux Racer (formerly PlanetPenguin Racer)
Vagrant 2010 2023 MIT Business Source License

See also


  1. ^ Bonér, Jonas (2022-09-07). "Why We Are Changing the License for Akka". Lightbend. Archived from the original on 2022-10-03. Retrieved 2022-10-31.
  2. ^ Kunert, Paul (2022-09-08). "Open source biz sick of FOSS community exploitation overhauls software rights". The Register. Situation Publishing. Archived from the original on 2022-09-29. Retrieved 2022-10-31.
  3. ^ Carabine, Matt (2023-10-11). "Evolving ArangoDB's Licensing Model for a Sustainable Future". ArangoDB. Archived from the original on 2023-10-17. Retrieved 2023-11-02.
  4. ^ Capello, David. "Aseprite - New source code license". Archived from the original on 2017-06-23. Retrieved 2021-11-20.
  5. ^ Mattis, Peter; Darnell, Ben; Kimball, Spencer (2019-06-04). "Why we're relicensing CockroachDB". Cockroach Labs. Archived from the original on 2022-11-07. Retrieved 2023-01-10.
  6. ^ a b c d e f Dadgar, Armon (2023-08-10). "HashiCorp adopts Business Source License". HashiCorp. Archived from the original on 2023-08-11. Retrieved 2023-08-11.
  7. ^ Anderson, Scott (2021-03-26). "Business Source License (BSL 1.1) Adopted by Couchbase". The Couchbase Blog. Couchbase, Inc. Archived from the original on 2023-08-22. Retrieved 2023-11-02.
  8. ^ a b Anderson, Scott (2022-02-25). "Couchbase Mobile changes source code license to BSL 1.1". The Couchbase Blog. Couchbase, Inc. Archived from the original on 2023-06-07. Retrieved 2023-11-02.
  9. ^ Vaughan-Nichols, Steven J. "Elastic changes open-source license to monetize cloud-service use". ZDNet. Retrieved 2021-01-23.
  10. ^ Vaughan-Nichols, Steven (2021-04-13). "OpenSearch: AWS rolls out its open source Elasticsearch fork". TechRepublic. Retrieved 2021-09-03.
  11. ^ Vaughan-Nichols, Steven J. "AWS, as predicted, is forking Elasticsearch". ZDNet. Retrieved 2021-01-28.
  12. ^ " GPL Violation". Emby Community Blog. 2018-03-21. Archived from the original on 2018-12-25. Retrieved 2017-08-19.
  13. ^ a b c 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.
  14. ^ Vaughan-Nichols, Steven J. (2019-01-16). "MongoDB "open-source" Server Side Public License rejected". ZDNet. Retrieved 2019-01-17.
  15. ^ "MongoDB's licensing changes led Red Hat to drop the database from the latest version of its server OS". GeekWire. 2019-01-16. Retrieved 2019-01-17.
  16. ^ Larabel, Michael (2010-03-22). "Nexuiz Gets Forked, Turned Into Xonotic". Phoronix. Retrieved 2016-10-30.
  17. ^ "October CMS Moves to Become a Paid Platform". October. 2021-04-12. Archived from the original on 2021-06-03. Retrieved 2021-09-19.
  18. ^ Laurent, Pierre-Edouard (2021-10-16). "Meilleur CMS (2022) : le comparatif des gestionnaires de contenus pour créer un site web". (in French). Retrieved 2022-06-22.
  19. ^ "We have forked October CMS". Retrieved 2022-06-22.
  20. ^ "Attention! Security risk with OTRS 6!". OTRS. 2020-12-23. Retrieved 2023-02-02.
  21. ^ "A new license for Paint.NET v3.5". 2009-11-07. Retrieved 2015-02-11.
  22. ^ now a custom license granting broad use, redistribution, and modification rights, but assigning copyright to any version to Schrodinger, LLC.
  23. ^ "PyMOL |". 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.
  24. ^ "schrodinger/pymol-open-source". GitHub. Retrieved 2019-06-24.
  25. ^ "PyMOL Molecular Graphics System". SourceForge.
  26. ^ "Open-Source PyMOL". Schrodinger, Inc. 2021-11-05. Retrieved 2021-11-07.
  27. ^ Trollope, Rowan (2024-03-20). "Redis Adopts Dual Source-Available Licensing". Redis. Archived from the original on 2024-03-20. Retrieved 2024-03-20.
  28. ^ "Linux Foundation Launches Open Source Valkey Community". Linux Foundation. 2024-03-28. Archived from the original on 2024-03-28. Retrieved 2024-03-28.
  29. ^ darkcrizt (2023-07-06). "Sourcegraph abandons open source in favor of a proprietary license". LinuxAddict (Linux Adictos). Archived from the original on 2023-08-24. Retrieved 2023-08-24.
  30. ^ Miller, Ron (2023-09-20). "Terraform fork gets renamed OpenTofu, and joins Linux Foundation". TechCrunch. Yahoo! Inc. Archived from the original on 2023-11-02. Retrieved 2023-11-02.
  31. ^ Fay, Joe (2023-10-16). "HashiCorp CEO predicts OSS-free Silicon Valley unless the open source model evolves". The Stack. Archived from the original on 2023-10-29. Retrieved 2023-11-02.