Dataedo - Database documentation tool
DBeaver - DBeaver - Universal Database Manager and SQL Client.
ApexSQL Doc - ApexSQL Doc creates database documentation in a variety of formats.
dbForge SQL Complete - Try Intellisense functionality and Improved SQL Formatter in SQL Server Management Studio and Visual Studio using SQL Complete!
DbSchema - DbSchema - Visual Database Design & Management Tool
SchemaSpy - SchemaSpy is a Java-based tool (requires Java 5 or higher) that analyzes the metadata of a schema...