Type of site
Available in English
Owner Microsoft
Alexa rank 4,193 (January 2018)[1]
Commercial no
Registration Optional
Launched May 2006
Current status Online but has ceased operation

CodePlex was a forge website by Microsoft. While it was active, it allowed shared development of open-source software.[2] Its features includes wiki pages, source control based on Mercurial, Team Foundation Server (TFS), Subversion (also powered by TFS) or Git, discussion forums, issue tracking, project tagging, RSS support, statistics, and releases.

While CodePlex once encompassed a wide variety of projects, including SQL Server, WPF and Windows Forms-related projects, its major activities were focused on .NET Framework (including ASP.NET) and SharePoint. The most prominent and used project that was born inside CodePlex, the AJAX Control Toolkit, is a joint project between the community and Microsoft.


The initial beta started in May 2006, with the final release a month later in June. A new version of the website was released every three weeks adding additional features and updates.

In 2010, an unrelated CodePlex Foundation was renamed Outercurve Foundation to clear up confusion that there was a direct relationship between the foundation and CodePlex, which is solely owned and run by Microsoft.[3]

Since January 22, 2010, Mercurial distributed source control system has been supported as well,[4] and this support has been enhanced.[5][6] On March 21, 2012, CodePlex announced the support of Git as a source control option.[7][8]

On March 31, 2017, Microsoft announced the discontinuation of CodePlex. The original plan was to make CodePlex read-only in October 2017 before finally shutting it down on December 15, 2017. Microsoft partnered with GitHub to allow projects to be migrated to the service.[9][10][11] However, As of 23 January 2018, the site is still online, in read-only mode.

See also


  1. " Site Info". Alexa Internet. Retrieved 2018-01-15.
  2. Sue Karlin (2011-06-06). "Social Networks for Engineers". Retrieved 2011-06-17.
  3. "The CodePlex Foundation Rebrands, Renamed Outercurve Foundation"
  4. "CodePlex now supporting native Mercurial". CodePlex Weblog. Microsoft. Retrieved 30 April 2016.
  5. "Associating Change sets to Releases and Displaying Mercurial Branches/Tags". CodePlex Weblog. Microsoft. Retrieved 30 April 2016.
  6. "CodePlex Mercurial Support for Forks". CodePlex Weblog. Microsoft. Retrieved 30 April 2016.
  7. "git commit –m "CodePlex now supports Git!"". CodePlex Weblog. Microsoft. Retrieved 30 April 2016.
  8. Bright, Peter (22 March 2012). "Microsoft brings git support to its CodePlex hosting service". Ars Technica. Retrieved 23 March 2012.
  9. Harry, Brian (March 31, 2017). "Shutting down CodePlex". Brian Harry's blog. Microsoft.
  10. Krill, Paul (April 3, 2017). "Microsoft to shut CodePlex open source project site". InfoWorld. IDG.
  11. Duckett, Chris (April 3, 2017). "Microsoft takes CodePlex to death row on back of GitHub monoculture". ZDNet. CBS Interactive.
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