CVSNT是现在能在Windows、Mac OS X、Linux、Solaris和HPUX上运行的，被广泛支持的，富有特色和安全的CVS服务器和客户端。经过6年的不断开发、测试和产品发布， CVSNT得到持续的推进，当前的版本是2.0。CVSNT是开放源码的自由软件，基于GNU的GPL许可证。

应该可以把CVSNT看作是CVS的增强版吧，以下是CVSNT和CVS的一些特征对比：

FeatureCVSNTCVS Server  Supports authentication via Microsoft Active Directory or SSH (windows only)YESNO  Set enforced protocols allow server to lock out clients connecting over insecure protocols or using insecure/inefficient options.YESNO  Easily remove protocols (without recompile) YESNO  Branch ACLs can be used to restrict accessYESNO  LockServer provides file level locking YESNO  More sophisticated / extra triggers available e.g. postcommit. Triggers also available via COM/DLL/.so interfaces YESNO  Supports Unicode files with additional keyword expansion switchesYESNO  Efficient storage of binary files using binary deltasYESNO  Extended modules functionality using the modules2 fileYESNO  Advanced Reserved Edits and checked commits (supercedes exclusive locking concept) YESNO  Server-side default options (cvsrc)YESNO  CVSROOT/config scripts etc.YESYES  Repository browsing via cvs ls commandYESYES Windows Server  Supports encrypted authentication via SSL (all platforms)YESNO  Configurable with Windows Control PanelYESNO  Compatible with NTFS ACL's for using permissions based on Windows username or group.YESNO  Triggers also available via COM and DLL interfaces YESNO Client  Smart Merge using MergePointYESNO  Supports Unicode files with additional keyword expansion switchesYESNO  "Import-and-go" by optionally turning freshly imported trees into a new sandbox automatically. No more need to purge and do a fresh checkout firstYESNO