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)   VSS Remoting 2.0
It allows you to access SourceSafe databases through any internet connections. VSS Remoting uses HTTPS as its communication protocol. All data between client and server are compressed and encrypted.

 3)   SASSI 2.0
Easy VSS integration with rollback and rollforward functionality, Syntax Highlighting, Easily manage your SQL objects, Syncronization, Keep your documentation up-to-date, Script generation to keep your servers up-to-date.

 4)   SQL Source Control 2003
Full source control and documentation versioning for SQL Server 2000 with Source Safe 6.0 support. Comprehensive database documentation, HTML reports, easy SQL Server database items management, Intellisense-style automatic code completion.

 5)   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.

 6)   Code Co-op Version Control 4.6d
Manage your code development with Code Co-op, the affordable, peer-to-peer version control system for distributed teams. Collaborate using Email, LAN, or VPN. Includes visual diffing, integration, change sets, atomic check-ins, and 3-way merge