Computers, Software, Configuration Management, Tools - TortoiseCVS. Lets you work with files under CVS version control directly from Windows Explorer [free, GNU public license].
Computers, Software, Configuration Management, Tools - TkCVS. A graphical user interface for the CVS revision control system, with enhacements to permit browsing the repository.
Computers, Software, Configuration Management, Tools - JavaCVS. Cross platform CVS client written entirely in Java, which provides a command based and graphical interface.
Computers, Software, Configuration Management, Tools - ProjectLocker. Provides hosting for version control, issue tracking, and project management tools for projects of all sizes.
Computers, Software, Configuration Management, Tools - ClearCase Consulting by JSL Solutions. Specializes in custom ClearCase environments for software development organizations in the U.