SharePoint Server 2007 SDK

The SDK for the 2007 Microsoft Office SharePoint Server describes technologies that Office SharePoint Server 2007 provides developers. It contains general information and step by step, how-to procedures for programming with Office SharePoint Server 2007 that can help you start writing applications. There's several examples of code in the documentation as well as some tips and best practices for using the development platform in Office SharePoint Server 2007.
After installing the SDK, those who are new to Microsoft SharePoint Products and Technologies must start with What is New for Developers in Office SharePoint Server 2007. Most experienced developers should also review the changes and improvements to SharePoint Portal Server 2003 and MCMS developers 2002.
Microsoft Office SharePoint Server 2007 builds on the Windows SharePoint Services 3. 0 of infrastructure to provide a true enterprise portal platform. For central platform documentation, refer to the Windows SharePoint Services 3.0 SDK.