Leadum DBScribe is an Oracledatabase documentation tool. It supports a rich set of documentation styles, output formats (HTML, CHM, MS Word Document), wizard and command line interfaces, complete database schema documenting.
SQL Documentor from Vale Software is designed to help all SQL & MSDE developers by quickly and effectively generating complete documentation detailing your databases. You can report on everything that you would want. You can export to RTF and PDF.
Sonswish Oracledatabase browser is the Windows based graphical tool for database navigation, data updating, exploring, table relationships checking or validating Oracledatabase. Sonswish allows the DB developer to create Oracle objects