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：

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