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.
version control, source control, source code control, revision control, sql source control, sql version control, ms sql source control, sql server version control,

 2)   EasyCVS 1.5.1.276
EasyCVS is a version control management system for individual and team projects.It's easy to use because it's integrated into Visual studio. You can use it like using visual soucesafe.
Version control system, cvs, sourcesafe, integrated with VS, Revision control, software development,

 3)   CSHTMLDiff Control 2.1.98
CSHTMLDiff Control is a powerful ActiveX control which allows you to compare two revisions of a file visually in a quick, easy and friendly way. CSHTMLDiff utilizes a robust engine that recognizes various file types, including Text, XML and HTML.
compare files, file comparison, ActiveX, control, diff, version control, revision control, html, xml, software configuration management,

 4)   AJC Active Backup 1.2.7
AJC Active Backup backs up files on your PC as soon as they change and keeps multiple revisions giving you unlimited undo capabilities. There is a built in file comparison so you can see what has changed.
backup, revision control, archiving, archive,