MacCVS Pro is a completely free CVS client for Mac OS that was originally developed at Netscape Communications Corporation. Various features include real multi-threaded CVS operations and an intuitive user interface that kicks bootay.
"eccvs" is a GUI based version control system (for linux) that keeps track of all the resources of a software project. Here resources mean sourcecode, documentation, etc., This software is based on the existing CVS command line tool.
CVS nserver is the almost complete rewrite of network-related CVS code. It features improved security, support for virtual repositories with fully remote management of users, additional authentication methods such as PAM.
ACL (access control lists) and