cvsphpview is based on phpBrowseCVS 1.0, it provides simple PHP class to access CVS repositories from local or remote (not soon). It can do any of following jobs: lists, logs,diffs,annotates,checkouts,.... After all, I try to make it better for you.
ccvssh is reimplementation of cvssh in C. It is external program called by cvs (via :ext: method) and it connects to remote CVS pservers via SSL tunnel. It is fast and easy to use.
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
VCFS provides a user-space NFS server that allows local or remote CVS repositories to be mounted as a filesystem. Works with existing CVS servers, including those used by SourceForge.