This article is from the Configuration Management Tools FAQ, by Dave Eaton dwe@arde.com with numerous contributions by others.
There are a number of tools generally available at no charge - some
are delivered with most UNIX systems (so yes, you may pay for them,
but the price is bundled with what you pay your vendor already),
others need to be transferred from an archive site on the Internet
using a tool such as FTP. In some cases they will need to be compiled
at your site. Most come bundled with adequate documentation. Since
many of these tools are provided without support, it may not be
advisable to use them on some projects. For completeness, they have
been listed here despite that potential drawback. Those tools with
World Wide Web sites are listed in section 8, CM Tools With World Wide
Web Sites at the end of this document. (The Web site may provide more
specific product information than can be made available in this FAQ.)
 
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