List of formerly open-source or free software

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.

class="wikitable sortable" \|+List of formerly open-source software
Title ! Orig. free date ! License change date ! Initial free license ! Non-free license ! Forked replacement !class="unsortable"\| Notes
Akka \| 2009 \| 2022 \| Apache-2.0 \| Business Source License{{cite web \|last1=Bonér \|first1=Jonas \|title=Why We Are Changing the License for Akka \|url=https://www.lightbend.com/blog/why-we-are-changing-the-license-for-akka \|publisher=Lightbend \|access-date=31 October 2022 \|archive-url=https://web.archive.org/web/20221003003102/https://www.lightbend.com/blog/why-we-are-changing-the-license-for-akka \|archive-date=3 October 2022 \|date=7 September 2022 \|url-status=live}}{{cite web \|last1=Kunert \|first1=Paul \|title=Open source biz sick of FOSS community exploitation overhauls software rights \|url=https://www.theregister.com/2022/09/08/open_source_biz_sick_of/ \|website=The Register \|publisher=Situation Publishing \|access-date=31 October 2022 \|archive-url=https://web.archive.org/web/20220929161422/https://www.theregister.com/2022/09/08/open_source_biz_sick_of/ \|archive-date=29 September 2022 \|date=8 September 2022 \|url-status=live}} \| \|
ArangoDB \| 2011 \| 2023 \| Apache-2.0 \| Business Source License{{cite web \|last1=Carabine \|first1=Matt \|title=Evolving ArangoDB’s Licensing Model for a Sustainable Future \|url=https://arangodb.com/2023/10/evolving-arangodbs-licensing-model-for-a-sustainable-future/ \|publisher=ArangoDB \|access-date=2 November 2023 \|archive-url=https://web.archive.org/web/20231017032009/https://arangodb.com/2023/10/evolving-arangodbs-licensing-model-for-a-sustainable-future/ \|archive-date=17 October 2023 \|date=11 October 2023 \|url-status=live}} \| \|
Aseprite \| 2001 \| 2016 \| GPL-2.0 \| EULA that permits personal use but forbids redistribution{{cite web \|last1=Capello \|first1=David\|title=Aseprite - New source code license\|url=https://dev.aseprite.org/2016/09/01/new-source-code-license/\|url-status=live\|access-date=2021-11-20\|website=www.aseprite.org\|language=en\|archive-url=https://web.archive.org/web/20170623002636/http://dev.aseprite.org:80/2016/09/01/new-source-code-license/ \|archive-date=2017-06-23 }} \| LibreSprite \|
CockroachDB \| 2015 \| 2019 \| Apache-2.0 \| Business Source License{{cite web \|last1=Mattis \|first1=Peter \|last2=Darnell \|first2=Ben \|last3=Kimball \|first3=Spencer \|author1-link=Peter Mattis \|author2-link=Ben Darnell \|author3-link=Spencer Kimball (computer programmer) \|title=Why we're relicensing CockroachDB \|url=https://www.cockroachlabs.com/blog/oss-relicensing-cockroachdb/ \|publisher=Cockroach Labs \|access-date=10 January 2023 \|archive-url=https://web.archive.org/web/20221107220116/https://www.cockroachlabs.com/blog/oss-relicensing-cockroachdb/ \|archive-date=2022-11-07 \|date=2019-06-04 \|url-status=live}} \| \|
Consul \| 2014 \| 2023 \| MPL-2.0 \| Business Source License{{cite web \|last1=Dadgar \|first1=Armon \|title=HashiCorp adopts Business Source License \|url=https://www.hashicorp.com/blog/hashicorp-adopts-business-source-license \|publisher=HashiCorp \|access-date=11 August 2023 \|archive-url=https://web.archive.org/web/20230811214535/https://www.hashicorp.com/blog/hashicorp-adopts-business-source-license \|archive-date=11 August 2023 \|date=10 August 2023 \|url-status=live}} \| \|
Couchbase Server \| 2010 \| 2021 \| Apache-2.0 \| Business Source License{{cite web \|last1=Anderson \|first1=Scott \|title=Business Source License (BSL 1.1) Adopted by Couchbase \|url=https://www.couchbase.com/blog/couchbase-adopts-bsl-license/ \|website=The Couchbase Blog \|publisher=Couchbase, Inc. \|access-date=2 November 2023 \|archive-url=https://web.archive.org/web/20230822034434/https://www.couchbase.com/blog/couchbase-adopts-bsl-license/ \|archive-date=22 August 2023 \|date=26 March 2021 \|url-status=live}} \| \|
Couchbase Mobile \| \| 2022 \| Apache-2.0 \| Business Source License{{cite web \|last1=Anderson \|first1=Scott \|title=Couchbase Mobile changes source code license to BSL 1.1 \|url=https://www.couchbase.com/blog/couchbase-mobile-changes-source-code-license-to-bsl-1-1/ \|website=The Couchbase Blog \|publisher=Couchbase, Inc. \|access-date=2 November 2023 \|archive-url=https://web.archive.org/web/20230607084935/https://www.couchbase.com/blog/couchbase-mobile-changes-source-code-license-to-bsl-1-1/ \|archive-date=7 June 2023 \|date=25 February 2022 \|url-status=live}} \| \|
Elasticsearch \| 2010 \| 2021 \| Apache-2.0 \| "Elastic License" and Server Side Public License{{Cite web \|last=Vaughan-Nichols \|first=Steven J. \|title=Elastic changes open-source license to monetize cloud-service use \|url=https://www.zdnet.com/article/elastic-changes-open-source-license-to-monetize-cloud-service-use/ \|access-date=2021-01-23 \|website=ZDNet \|language=en}}{{Cite web \|last=Vaughan-Nichols \|first=Steven \|date=April 13, 2021 \|title=OpenSearch: AWS rolls out its open source Elasticsearch fork \|url=https://www.techrepublic.com/article/opensearch-aws-rolls-out-its-open-source-elasticsearch-fork/ \|access-date=2021-09-03 \|website=TechRepublic \|language=en}}{{Cite web \|last=Vaughan-Nichols \|first=Steven J. \|title=AWS, as predicted, is forking Elasticsearch \|url=https://www.zdnet.com/article/aws-as-predicted-is-forking-elasticsearch/ \|access-date=2021-01-28 \|website=ZDNet \|language=en}} \| OpenSearch \|Added AGPL v3.0 on 29 August 2024{{Cite web \|title=Elasticsearch is Open Source, Again \|url=https://www.elastic.co/blog/elasticsearch-is-open-source-again \|access-date=2024-09-01 \|website=Elastic Blog \|language=en-us}}
Emby \| 2014 \| 2018 \| GPL-2.0 \| Source code closed on December 8, 2018.{{Cite web\|url=https://github.com/MediaBrowser/Emby/issues/3075#issuecomment-375100249\|title=[Request] GPL Violation\|date=21 March 2018\|website=Emby Community Blog\|access-date=2017-08-19\|archive-url=https://web.archive.org/web/20181225073326/https://github.com/MediaBrowser/Emby/issues/3075#issuecomment-375100249\|archive-date=25 December 2018\|url-status=dead}} \| Jellyfin \|
FBReader \| 2013 \| 2015 \| GPL-2.0-or-later \| Apparently the number of devs was limited, and they all agreed to relicense it.{{Citation needed\|date=September 2022}} \| \|
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.{{cite web \|last1=Anderson \|first1=Tim \|title=Why we abandoned open source: LiveCode CEO on retreat despite successful kickstarter \|url=https://www.theregister.com/2021/09/06/livecode_interview/ \|website=The Independent \|access-date=18 September 2021 \|archive-url=https://web.archive.org/web/20210915033855/https://www.theregister.com/2021/09/06/livecode_interview/ \|archive-date=15 September 2021 \|date=6 September 2021 \|url-status=live}}
LiveJournal \| 1999 \| 2014 \| GPL-2.0-or-later \| The source code was made private in 2014. \| Dreamwidth \|
MetaMask \| 2016 \| 2020 \| MIT \| Custom proprietary "non-commercial use only" license.{{cite web \|url=https://medium.com/metamask/evolving-our-license-for-the-next-wave-of-metamask-users-81b0b494c09a \|title=Evolving our License for the Next Wave of MetaMask Users \|author=Dan Finlay \|date=August 20, 2020 \|publisher=Consensys \|access-date=2024-08-04}} \| \|
MongoDB \| 2009 \| 2018 \| AGPL-3.0-only \| Server Side Public License{{Cite web \|last=Vaughan-Nichols \|first=Steven J. \|date=January 16, 2019 \|title=MongoDB "open-source" Server Side Public License rejected \|url=https://www.zdnet.com/article/mongodb-open-source-server-side-public-license-rejected/ \|access-date=January 17, 2019 \|website=ZDNet \|language=en}}{{Cite web \|date=January 16, 2019 \|title=MongoDB's licensing changes led Red Hat to drop the database from the latest version of its server OS \|url=https://www.geekwire.com/2019/mongodbs-licensing-changes-led-red-hat-drop-database-latest-version-server-os/ \|access-date=January 17, 2019 \|website=GeekWire \|language=en-US}} \| \|
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{{cite web \|last=Larabel \|first=Michael \|date=March 22, 2010 \|title=Nexuiz Gets Forked, Turned Into Xonotic \|url=https://www.phoronix.com/scan.php?page=news_item&px=ODA4OA \|access-date=October 30, 2016 \|publisher=Phoronix}} \|
OctoberCMS \| 2014 \| 2021 \| MIT \| Cited the sustainability of its open source model as a factor.{{cite web \|title=October CMS Moves to Become a Paid Platform \|url=https://octobercms.com/blog/post/october-cms-moves-become-paid-platform \|website=October \|access-date=19 September 2021 \|archive-url=https://web.archive.org/web/20210603065927/https://octobercms.com/blog/post/october-cms-moves-become-paid-platform \|archive-date=3 June 2021 \|date=12 April 2021 \|url-status=live}} \| Winter{{Cite web \|last=Laurent \|first=Pierre-Edouard \|date=2021-10-16 \|title=Meilleur CMS (2022) : le comparatif des gestionnaires de contenus pour créer un site web \|url=https://www.clubic.com/pro/creation-de-site-web/best-pick-376515-comparatif-cms-2021-les-meilleurs-outils-pour-creer-son-site-web.html \|access-date=2022-06-22 \|website=Clubic.com \|language=fr}}{{Cite web \|title=We have forked October CMS \|url=https://wintercms.com/blog/post/we-have-forked-october-cms \|access-date=2022-06-22 \|website=wintercms.com}} \|
OTRS \| 2001 \| 2020 \| GPL-3.0-or-later \| Support for the Community Edition dropped on December 23, 2020,{{cite web \|url=https://otrs.com/release-notes/attention-security-risk-with-otrs-6/ \|title=Attention! Security risk with OTRS 6! \|publisher=OTRS \|date=2020-12-23 \|access-date=2023-02-02}} \| Znuny \|
Paint.NET \| 2004 \| 2007 \| MIT \| freeware license that prohibits modification or resale{{Cite web \|date=7 November 2009 \|title=A new license for Paint.NET v3.5 \|url=http://blog.getpaint.net/2009/11/06/a-new-license-for-paintnet-v35/ \|access-date=February 11, 2015}} \| \|
PyMOL \| 2000 \| 2010 \| MIT-CMU{{refn\|now a custom license granting broad use, redistribution, and modification rights, but assigning copyright to any version to Schrodinger, LLC.}} \| {{cite web \|title=PyMOL {{!}} pymol.org \|url=https://pymol.org/2/ \|website=pymol.org \|access-date=7 November 2021\|quote=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.}}{{cite web \|title=schrodinger/pymol-open-source \|url=https://github.com/schrodinger/pymol-open-source \|website=GitHub \|access-date=24 June 2019}}{{cite web\|url=http://sourceforge.net/projects/pymol/\|title=PyMOL Molecular Graphics System\|publisher=SourceForge}}{{cite web \|title=Open-Source PyMOL \|url=https://github.com/schrodinger/pymol-open-source/blob/master/LICENSE \|publisher=Schrodinger, Inc. \|access-date=7 November 2021 \|date=5 November 2021}} \| \|
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{{cite web \|last1=Trollope \|first1=Rowan \|author1-link=Rowan Trollope \|title=Redis Adopts Dual Source-Available Licensing \|url=https://redis.com/blog/redis-adopts-dual-source-available-licensing/ \|publisher=Redis \|access-date=20 March 2024 \|archive-url=https://web.archive.org/web/20240320222045/https://redis.com/blog/redis-adopts-dual-source-available-licensing/ \|archive-date=20 March 2024 \|date=20 March 2024 \|url-status=live}} \| Valkey{{cite web \|title=Linux Foundation Launches Open Source Valkey Community \|url=https://www.linuxfoundation.org/press/linux-foundation-launches-open-source-valkey-community \|publisher=Linux Foundation \|access-date=28 March 2024 \|archive-url=https://web.archive.org/web/20240328162423/https://www.linuxfoundation.org/press/linux-foundation-launches-open-source-valkey-community \|archive-date=28 March 2024 \|date=28 March 2024 \|url-status=live}} \|Added AGPL v3.0 on 1 May 2025.{{cite web \|last1=Trollope \|first1=Rowan \|author1-link=Rowan Trollope \|title=Redis is now available under the AGPLv3 open source license \|url=https://redis.io/blog/agplv3/ \|website=Redis Blog \|publisher=Redis Inc. \|access-date=5 May 2025 \|archive-url=https://web.archive.org/web/20250502130952/https://redis.io/blog/agplv3/ \|archive-date=2 May 2025 \|date=1 May 2025 \|url-status=live}} Vadim Tkachenko (co-founder of Percona) doesn't expect this move to affect Valkey, as the de facto purpose of the AGPL "appears to be creating barriers for public cloud providers, which likely guarantees that major sponsors like Amazon and Google will continue to support Valkey."{{cite web \|last1=Vaughan-Nichols \|first1=Steven \|title=Redis returns to open source with AGPLv3 license but not everyone is happy \|url=https://www.zdnet.com/article/redis-returns-to-open-source-with-agplv3-license-but-not-everyone-is-happy/ \|website=ZDNET \|publisher=Ziff Davis \|access-date=5 May 2025 \|archive-url=https://web.archive.org/web/20250503051651/https://www.zdnet.com/article/redis-returns-to-open-source-with-agplv3-license-but-not-everyone-is-happy/ \|archive-date=3 May 2025 \|date=2 May 2025 \|url-status=live}}
Sourcegraph \| 2013 \| 2023 \| Apache-2.0 \| proprietary{{cite web \|author1=darkcrizt \|title=Sourcegraph abandons open source in favor of a proprietary license \|url=https://www.linuxadictos.com/en/sourcegraph-abandons-open-source-in-favor-of-a-proprietary-license.html \|website=LinuxAddict (Linux Adictos) \|access-date=24 August 2023 \|archive-url=https://web.archive.org/web/20230824154110/https://www.linuxadictos.com/en/sourcegraph-abandons-open-source-in-favor-of-a-proprietary-license.html \|archive-date=24 August 2023 \|date=6 July 2023 \|url-status=live}} \| \|
Terraform \| 2014 \| 2023 \| MPL-2.0 \| Business Source License \| OpenTofu{{cite web \|last1=Miller \|first1=Ron \|title=Terraform fork gets renamed OpenTofu, and joins Linux Foundation \|url=https://techcrunch.com/2023/09/20/terraform-fork-gets-a-new-name-opentofu-and-joins-linux-foundation/ \|website=TechCrunch \|publisher=Yahoo! Inc. \|access-date=2 November 2023 \|archive-url=https://archive.today/20231102141054/https://techcrunch.com/2023/09/20/terraform-fork-gets-a-new-name-opentofu-and-joins-linux-foundation/ \|archive-date=2 November 2023 \|date=20 September 2023 \|url-status=live}} \| HashiCorp founder considered the OpenTofu fork "tragic for open source innovation."{{cite web \|last1=Fay \|first1=Joe \|title=HashiCorp CEO predicts OSS-free Silicon Valley unless the open source model evolves \|url=https://www.thestack.technology/hashicorp-ceo-predicts-oss-free-silicon-valley-unless-the-open-source-model-evolves/ \|website=The Stack \|access-date=2 November 2023 \|archive-url=https://web.archive.org/web/20231029102741/https://www.thestack.technology/hashicorp-ceo-predicts-oss-free-silicon-valley-unless-the-open-source-model-evolves/ \|archive-date=29 October 2023 \|date=16 October 2023 \|url-status=live}}
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 \| \|

class="wikitable sortable"

|+List of formerly open-source software

Title

! Orig. free date

! License change date

! Initial free license

! Non-free license

! Forked replacement

!class="unsortable"| Notes

Akka

| 2009

| 2022

| Apache-2.0

| Business Source License{{cite web |last1=Bonér |first1=Jonas |title=Why We Are Changing the License for Akka |url=https://www.lightbend.com/blog/why-we-are-changing-the-license-for-akka |publisher=Lightbend |access-date=31 October 2022 |archive-url=https://web.archive.org/web/20221003003102/https://www.lightbend.com/blog/why-we-are-changing-the-license-for-akka |archive-date=3 October 2022 |date=7 September 2022 |url-status=live}}{{cite web |last1=Kunert |first1=Paul |title=Open source biz sick of FOSS community exploitation overhauls software rights |url=https://www.theregister.com/2022/09/08/open_source_biz_sick_of/ |website=The Register |publisher=Situation Publishing |access-date=31 October 2022 |archive-url=https://web.archive.org/web/20220929161422/https://www.theregister.com/2022/09/08/open_source_biz_sick_of/ |archive-date=29 September 2022 |date=8 September 2022 |url-status=live}}

ArangoDB

| 2011

| 2023

| Apache-2.0

| Business Source License{{cite web |last1=Carabine |first1=Matt |title=Evolving ArangoDB’s Licensing Model for a Sustainable Future |url=https://arangodb.com/2023/10/evolving-arangodbs-licensing-model-for-a-sustainable-future/ |publisher=ArangoDB |access-date=2 November 2023 |archive-url=https://web.archive.org/web/20231017032009/https://arangodb.com/2023/10/evolving-arangodbs-licensing-model-for-a-sustainable-future/ |archive-date=17 October 2023 |date=11 October 2023 |url-status=live}}

Aseprite

| 2001

| 2016

| GPL-2.0

| EULA that permits personal use but forbids redistribution{{cite web |last1=Capello |first1=David|title=Aseprite - New source code license|url=https://dev.aseprite.org/2016/09/01/new-source-code-license/|url-status=live|access-date=2021-11-20|website=www.aseprite.org|language=en|archive-url=https://web.archive.org/web/20170623002636/http://dev.aseprite.org:80/2016/09/01/new-source-code-license/ |archive-date=2017-06-23 }}

| LibreSprite

CockroachDB

| 2015

| 2019

| Apache-2.0

| Business Source License{{cite web |last1=Mattis |first1=Peter |last2=Darnell |first2=Ben |last3=Kimball |first3=Spencer |author1-link=Peter Mattis |author2-link=Ben Darnell |author3-link=Spencer Kimball (computer programmer) |title=Why we're relicensing CockroachDB |url=https://www.cockroachlabs.com/blog/oss-relicensing-cockroachdb/ |publisher=Cockroach Labs |access-date=10 January 2023 |archive-url=https://web.archive.org/web/20221107220116/https://www.cockroachlabs.com/blog/oss-relicensing-cockroachdb/ |archive-date=2022-11-07 |date=2019-06-04 |url-status=live}}

Consul

| 2014

| 2023

| MPL-2.0

| Business Source License{{cite web |last1=Dadgar |first1=Armon |title=HashiCorp adopts Business Source License |url=https://www.hashicorp.com/blog/hashicorp-adopts-business-source-license |publisher=HashiCorp |access-date=11 August 2023 |archive-url=https://web.archive.org/web/20230811214535/https://www.hashicorp.com/blog/hashicorp-adopts-business-source-license |archive-date=11 August 2023 |date=10 August 2023 |url-status=live}}

Couchbase Server

| 2010

| 2021

| Apache-2.0

| Business Source License{{cite web |last1=Anderson |first1=Scott |title=Business Source License (BSL 1.1) Adopted by Couchbase |url=https://www.couchbase.com/blog/couchbase-adopts-bsl-license/ |website=The Couchbase Blog |publisher=Couchbase, Inc. |access-date=2 November 2023 |archive-url=https://web.archive.org/web/20230822034434/https://www.couchbase.com/blog/couchbase-adopts-bsl-license/ |archive-date=22 August 2023 |date=26 March 2021 |url-status=live}}

Couchbase Mobile

| 2022

| Apache-2.0

| Business Source License{{cite web |last1=Anderson |first1=Scott |title=Couchbase Mobile changes source code license to BSL 1.1 |url=https://www.couchbase.com/blog/couchbase-mobile-changes-source-code-license-to-bsl-1-1/ |website=The Couchbase Blog |publisher=Couchbase, Inc. |access-date=2 November 2023 |archive-url=https://web.archive.org/web/20230607084935/https://www.couchbase.com/blog/couchbase-mobile-changes-source-code-license-to-bsl-1-1/ |archive-date=7 June 2023 |date=25 February 2022 |url-status=live}}

Elasticsearch

| 2010

| 2021

| Apache-2.0

| "Elastic License" and Server Side Public License{{Cite web |last=Vaughan-Nichols |first=Steven J. |title=Elastic changes open-source license to monetize cloud-service use |url=https://www.zdnet.com/article/elastic-changes-open-source-license-to-monetize-cloud-service-use/ |access-date=2021-01-23 |website=ZDNet |language=en}}{{Cite web |last=Vaughan-Nichols |first=Steven |date=April 13, 2021 |title=OpenSearch: AWS rolls out its open source Elasticsearch fork |url=https://www.techrepublic.com/article/opensearch-aws-rolls-out-its-open-source-elasticsearch-fork/ |access-date=2021-09-03 |website=TechRepublic |language=en}}{{Cite web |last=Vaughan-Nichols |first=Steven J. |title=AWS, as predicted, is forking Elasticsearch |url=https://www.zdnet.com/article/aws-as-predicted-is-forking-elasticsearch/ |access-date=2021-01-28 |website=ZDNet |language=en}}

| OpenSearch

|Added AGPL v3.0 on 29 August 2024{{Cite web |title=Elasticsearch is Open Source, Again |url=https://www.elastic.co/blog/elasticsearch-is-open-source-again |access-date=2024-09-01 |website=Elastic Blog |language=en-us}}

Emby

| 2014

| 2018

| GPL-2.0

| Source code closed on December 8, 2018.{{Cite web|url=https://github.com/MediaBrowser/Emby/issues/3075#issuecomment-375100249|title=[Request] GPL Violation|date=21 March 2018|website=Emby Community Blog|access-date=2017-08-19|archive-url=https://web.archive.org/web/20181225073326/https://github.com/MediaBrowser/Emby/issues/3075#issuecomment-375100249|archive-date=25 December 2018|url-status=dead}}

| Jellyfin

FBReader

| 2013

| 2015

| GPL-2.0-or-later

| Apparently the number of devs was limited, and they all agreed to relicense it.{{Citation needed|date=September 2022}}

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.{{cite web |last1=Anderson |first1=Tim |title=Why we abandoned open source: LiveCode CEO on retreat despite successful kickstarter |url=https://www.theregister.com/2021/09/06/livecode_interview/ |website=The Independent |access-date=18 September 2021 |archive-url=https://web.archive.org/web/20210915033855/https://www.theregister.com/2021/09/06/livecode_interview/ |archive-date=15 September 2021 |date=6 September 2021 |url-status=live}}

LiveJournal

| 1999

| 2014

| GPL-2.0-or-later

| The source code was made private in 2014.

| Dreamwidth

MetaMask

| 2016

| 2020

| MIT

| Custom proprietary "non-commercial use only" license.{{cite web |url=https://medium.com/metamask/evolving-our-license-for-the-next-wave-of-metamask-users-81b0b494c09a |title=Evolving our License for the Next Wave of MetaMask Users |author=Dan Finlay |date=August 20, 2020 |publisher=Consensys |access-date=2024-08-04}}

MongoDB

| 2009

| 2018

| AGPL-3.0-only

| Server Side Public License{{Cite web |last=Vaughan-Nichols |first=Steven J. |date=January 16, 2019 |title=MongoDB "open-source" Server Side Public License rejected |url=https://www.zdnet.com/article/mongodb-open-source-server-side-public-license-rejected/ |access-date=January 17, 2019 |website=ZDNet |language=en}}{{Cite web |date=January 16, 2019 |title=MongoDB's licensing changes led Red Hat to drop the database from the latest version of its server OS |url=https://www.geekwire.com/2019/mongodbs-licensing-changes-led-red-hat-drop-database-latest-version-server-os/ |access-date=January 17, 2019 |website=GeekWire |language=en-US}}

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{{cite web |last=Larabel |first=Michael |date=March 22, 2010 |title=Nexuiz Gets Forked, Turned Into Xonotic |url=https://www.phoronix.com/scan.php?page=news_item&px=ODA4OA |access-date=October 30, 2016 |publisher=Phoronix}}

OctoberCMS

| 2014

| 2021

| MIT

| Cited the sustainability of its open source model as a factor.{{cite web |title=October CMS Moves to Become a Paid Platform |url=https://octobercms.com/blog/post/october-cms-moves-become-paid-platform |website=October |access-date=19 September 2021 |archive-url=https://web.archive.org/web/20210603065927/https://octobercms.com/blog/post/october-cms-moves-become-paid-platform |archive-date=3 June 2021 |date=12 April 2021 |url-status=live}}

| Winter{{Cite web |last=Laurent |first=Pierre-Edouard |date=2021-10-16 |title=Meilleur CMS (2022) : le comparatif des gestionnaires de contenus pour créer un site web |url=https://www.clubic.com/pro/creation-de-site-web/best-pick-376515-comparatif-cms-2021-les-meilleurs-outils-pour-creer-son-site-web.html |access-date=2022-06-22 |website=Clubic.com |language=fr}}{{Cite web |title=We have forked October CMS |url=https://wintercms.com/blog/post/we-have-forked-october-cms |access-date=2022-06-22 |website=wintercms.com}}

OTRS

| 2001

| 2020

| GPL-3.0-or-later

| Support for the Community Edition dropped on December 23, 2020,{{cite web |url=https://otrs.com/release-notes/attention-security-risk-with-otrs-6/ |title=Attention! Security risk with OTRS 6! |publisher=OTRS |date=2020-12-23 |access-date=2023-02-02}}

| Znuny

Paint.NET

| 2004

| 2007

| MIT

| freeware license that prohibits modification or resale{{Cite web |date=7 November 2009 |title=A new license for Paint.NET v3.5 |url=http://blog.getpaint.net/2009/11/06/a-new-license-for-paintnet-v35/ |access-date=February 11, 2015}}

PyMOL

| 2000

| 2010

| MIT-CMU{{refn|now a custom license granting broad use, redistribution, and modification rights, but assigning copyright to any version to Schrodinger, LLC.}}

| {{cite web |title=PyMOL {{!}} pymol.org |url=https://pymol.org/2/ |website=pymol.org |access-date=7 November 2021|quote=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.}}{{cite web |title=schrodinger/pymol-open-source |url=https://github.com/schrodinger/pymol-open-source |website=GitHub |access-date=24 June 2019}}{{cite web|url=http://sourceforge.net/projects/pymol/|title=PyMOL Molecular Graphics System|publisher=SourceForge}}{{cite web |title=Open-Source PyMOL |url=https://github.com/schrodinger/pymol-open-source/blob/master/LICENSE |publisher=Schrodinger, Inc. |access-date=7 November 2021 |date=5 November 2021}}

| 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{{cite web |last1=Trollope |first1=Rowan |author1-link=Rowan Trollope |title=Redis Adopts Dual Source-Available Licensing |url=https://redis.com/blog/redis-adopts-dual-source-available-licensing/ |publisher=Redis |access-date=20 March 2024 |archive-url=https://web.archive.org/web/20240320222045/https://redis.com/blog/redis-adopts-dual-source-available-licensing/ |archive-date=20 March 2024 |date=20 March 2024 |url-status=live}}

| Valkey{{cite web |title=Linux Foundation Launches Open Source Valkey Community |url=https://www.linuxfoundation.org/press/linux-foundation-launches-open-source-valkey-community |publisher=Linux Foundation |access-date=28 March 2024 |archive-url=https://web.archive.org/web/20240328162423/https://www.linuxfoundation.org/press/linux-foundation-launches-open-source-valkey-community |archive-date=28 March 2024 |date=28 March 2024 |url-status=live}}

|Added AGPL v3.0 on 1 May 2025.{{cite web |last1=Trollope |first1=Rowan |author1-link=Rowan Trollope |title=Redis is now available under the AGPLv3 open source license |url=https://redis.io/blog/agplv3/ |website=Redis Blog |publisher=Redis Inc. |access-date=5 May 2025 |archive-url=https://web.archive.org/web/20250502130952/https://redis.io/blog/agplv3/ |archive-date=2 May 2025 |date=1 May 2025 |url-status=live}} Vadim Tkachenko (co-founder of Percona) doesn't expect this move to affect Valkey, as the de facto purpose of the AGPL "appears to be creating barriers for public cloud providers, which likely guarantees that major sponsors like Amazon and Google will continue to support Valkey."{{cite web |last1=Vaughan-Nichols |first1=Steven |title=Redis returns to open source with AGPLv3 license but not everyone is happy |url=https://www.zdnet.com/article/redis-returns-to-open-source-with-agplv3-license-but-not-everyone-is-happy/ |website=ZDNET |publisher=Ziff Davis |access-date=5 May 2025 |archive-url=https://web.archive.org/web/20250503051651/https://www.zdnet.com/article/redis-returns-to-open-source-with-agplv3-license-but-not-everyone-is-happy/ |archive-date=3 May 2025 |date=2 May 2025 |url-status=live}}

Sourcegraph

| 2013

| 2023

| Apache-2.0

| proprietary{{cite web |author1=darkcrizt |title=Sourcegraph abandons open source in favor of a proprietary license |url=https://www.linuxadictos.com/en/sourcegraph-abandons-open-source-in-favor-of-a-proprietary-license.html |website=LinuxAddict (Linux Adictos) |access-date=24 August 2023 |archive-url=https://web.archive.org/web/20230824154110/https://www.linuxadictos.com/en/sourcegraph-abandons-open-source-in-favor-of-a-proprietary-license.html |archive-date=24 August 2023 |date=6 July 2023 |url-status=live}}

Terraform

| 2014

| 2023

| MPL-2.0

| Business Source License

| OpenTofu{{cite web |last1=Miller |first1=Ron |title=Terraform fork gets renamed OpenTofu, and joins Linux Foundation |url=https://techcrunch.com/2023/09/20/terraform-fork-gets-a-new-name-opentofu-and-joins-linux-foundation/ |website=TechCrunch |publisher=Yahoo! Inc. |access-date=2 November 2023 |archive-url=https://archive.today/20231102141054/https://techcrunch.com/2023/09/20/terraform-fork-gets-a-new-name-opentofu-and-joins-linux-foundation/ |archive-date=2 November 2023 |date=20 September 2023 |url-status=live}}

| HashiCorp founder considered the OpenTofu fork "tragic for open source innovation."{{cite web |last1=Fay |first1=Joe |title=HashiCorp CEO predicts OSS-free Silicon Valley unless the open source model evolves |url=https://www.thestack.technology/hashicorp-ceo-predicts-oss-free-silicon-valley-unless-the-open-source-model-evolves/ |website=The Stack |access-date=2 November 2023 |archive-url=https://web.archive.org/web/20231029102741/https://www.thestack.technology/hashicorp-ceo-predicts-oss-free-silicon-valley-unless-the-open-source-model-evolves/ |archive-date=29 October 2023 |date=16 October 2023 |url-status=live}}

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

References

Formerly open-source software

Category:Formerly open-source or free software

List of formerly open-source or free software

See also

References