1)   Source # 2.1
Source # is a reliable and easy-to-use version control system that helps developers manage their source code. It tracks all changes made to your source code, and it has a SQL server source control system that tracks any DB changes.

 2)   Speed SQL IDE Pro 1.6.8
Speed SQL IDE is the leading tool for database object development on the SQL Server platform. Its unique graphical object editors which incorporate many of the features that developers look for in an IDE.

 3)   SQLSourceSafe V3.1
The integrated version control solution for SQL Server database. It integrates with both SQL Server and Visual SourceSafe, offers great functionality to manage the source code of SQL scripts.