1)   Code Historian 2.0
Code Historian performs file-differencing and code analysis, and assists with code reviews in SourceSafe, Perforce, or CVS. No server installation. Integrates with Visual Studio 6.0, .NET, and 2003. Also available in Explorer and on command-line.
cvs, diff, perforce, sourcesafe, visual studio, .NET, analysis, file, revision, change list,

 2)   Code Metrics 1.2
Code Metrics provides project-wide reports, graphs, and data-mining drilling down into single-file analyses, visualizations, and historical information. Export data to Excel, HTML, XML, or a database.
cvs, diff, perforce, sourcesafe, visual studio, .NET, analysis, file, revision, change list,

 3)   Code Reviewer 1.2
Code Reviewer lets developers review each other's source code changes before they are checked into the version control system. Comment on specific lines of code. Any number of reviewers. All comments checked in when review is complete.
cvs, diff, perforce, sourcesafe, visual studio, .NET, analysis, file, revision, change list,