SQL Doc by Red Gate Alternatives

Database documentation tool

ApexSQL Doc creates database documentation in a variety of formats.

Easily generate a PDF or HTML data dictionary from SQL Server with just a few clicks.

Try Intellisense functionality and Improved SQL Formatter in SQL Server Management Studio and Visual Studio using SQL Complete!

SchemaSpy is a Java-based tool (requires Java 5 or higher) that analyzes the metadata of a schema...

Task Factory offers essential, high-performance components and tasks for SSIS that eliminate the need for programming.

Now FREE. A simple and powerful database documentation tool for sql server and mysql databases.

DbSchema - Visual Database Design & Management Tool

dbForge Documenter for SQL Server is a new database documentation tool

ApexSQL Refactor is a free SQL formatter and database refactoring tool for SQL Server.

Navicat Data Modeler allows users to create a conceptual model from an existing database and edit the structure of the database easily.

DBeaver - Universal Database Manager and SQL Client.