Apex SQL Doc is a powerful tool to document your sql server database into HTML help Documentation.

Apex SQL Doc's wizard approach walks you through a series of steps that allow you to set options and otherwise customize your Documentation file.

With full command line support, Apex SQL Doc can be set to run on a schedule, over night etc

Version 2.0 will quickly follow our first 1.0 release and will include many new features.
Features
Command line support with switches for option selections
Wizard based interface
Syntax highlighting
Extensive and complete SQL Documentation