[From Winnersh Triangle Web Solutions
The SQL Documentation Tool database documenter creates technical developer documentation for Microsoft SQL Server 7.0, 2000 and 2005 databases. The documentation is created in HTML, HTML Help, RTF text and plain text formats.
This version includes stored procedures in the RTF formatted output option and table indexes are now listed. Free trial version is available. Code documenters for ASP and the .NET Framework also available.
The article continues at http://www.brettb.com/SQLServerDocumentationTool.asp