The best possible score is 10.
No specific info about version 8.0. Please visit the main page of Microsoft Visual SourceSafe on Software Informer.
This is the fastest Internet and cross-platform Visual SourceSafe solution.
Compare projects to determine changes and track your project's dynamics
RptDiff VSS is a Add-in For Microsoft Visual SourceSafe to support Crystal files
SSBrowser : A Sample Visual SourceSafe Automation.