Net-DAV-Server

In a Nutshell, Net-DAV-Server...

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  has had 19 commits made by 4 contributors
  representing 4,954 lines of code
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  is mostly written in Perl
  with a very low number of source code comments
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  has a well established, mature codebase
  maintained by nobody
  with stable Y-O-Y commits
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  took an estimated 2 years of effort (COCOMO model)
  starting with its first commit in May, 2004
  ending with its most recent commit over 11 years ago