In April 2004, [[WiX|Windows Installer XML]] (WiX) was the first [[Microsoft]] project to be released under an open-source license, the [[Common Public License]]. Initially hosted on [[SourceForge]],
In April 2004, [[WiX|Windows Installer XML]] (WiX) was the first [[Microsoft]] project to be released under an open-source license,<ref>{{cite web |last=Mensching |first=Rob |date=14 August 2012 |title=Outercurve Foundation and WiX toolset together, at last |url=http://robmensching.com/blog/posts/2012/8/14/outercurve-foundation-and-wix-toolset-together-at-last |work=RobMensching.com /Blog |access-date=16 February 2014}}</ref> the [[Common Public License]].<ref>{{cite web |last=Mensching |first=Rob |date=20 August 2012 |title=The WiX toolset license |url=http://robmensching.com/blog/posts/2012/8/20/the-wix-toolset-license |access-date=16 February 2014}}</ref> Initially hosted on [[SourceForge]],<ref name="Mensching 2004-04-05">{{cite web |last=Mensching |first=Rob |date=5 April 2004 |title=Windows Installer XML (WiX) toolset has released as Open Source on SourceForge.net |url=http://robmensching.com/blog/posts/2004/4/5/windows-installer-xml-wix-toolset-has-released-as-open-source-on-sourceforge.net |work=RobMensching.com /Blog |access-date=16 February 2014}}</ref> it was also the first Microsoft project to be hosted externally.
it was also the first Microsoft project to be hosted externally.
In June 2004, for the first time Microsoft was represented with a booth at [[LinuxTag]], a free software [[computer expo|exposition]], held annually in [[Germany]].<ref>[http://www.linuxtag.org/2004/exhibitorlist.html LinuxTag 2004 Ausstellerliste]</ref> LinuxTag claims to be Europe's largest exhibition for open source software.
