Umbraco, a privately owned company headquartered in Denmark, was founded in 2005 and employs approximately 140 individuals. The company specializes in software development, providing an open source .NET CMS.
On June 25, 2026, Umbraco announced the release of Umbraco 18, while emphasizing its ongoing commitment to Umbraco 17, its Long-Term Supported (LTS) version, which continues to receive new minor releases approximately every six weeks.
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