"Orchard is a free, open source, community-focused project aimed at delivering applications and reusable components on the ASP.NET platform.
Orchard will create shared components for building ASP.NET applications and extensions, and specific applications that leverage these components to meet the needs of end-users, scripters, and developers
In the near term, the Orchard project is focused on delivering a .NET-based CMS application that will allow users to rapidly create content-driven Websites, and an extensibility framework that will allow developers and customizers to provide additional functionality through module extensions and themes. "
What is the Orchard CMS application? How does it compare with Microsoft SharePoint?
Orchard CMS is an open source project which aims to provide a simple solution for small web agencies who want to quickly create Internet-facing Web sites. For corporations wanting a fully-featured, Microsoft-supported, enterprise-level CMS solution out-of-the-box, including Workflow, Digital Asset Management, Advanced Search, Web Analytics, and Social Networking, Microsoft SharePoint™ is a more natural choice.