From 1998 to 2011 Coin3D was developed and maintained by Systems in Motion (SIM), later renamed to Kongsberg SIM, later merged into the parent company Kongsberg Oil & Gas Technologies ([[http://www.kongsberg.com/en/kogt/|Kongsberg]]). During this period Coin3D was available under a dual licensing scheme, offering the choice between GPL or a Professional Edition License. Mid-2011, Kongsberg decided to end Coin3D as a commercial product due to diminishing demand and changing business focus. As a service to the user community Kongsberg re-licensed Coin3D under the BSD 3-clause license.
[[EndOfLifeLetter|This letter]] was sent to Professional Edition License holders and the mailing lists in November 2011.
+The old web site www.coin3d.org has been shut down, and all requests are redirected to this page.