Managed Mini Shell Extension Framework

In a Nutshell, Managed Mini Shell Extension Framework...

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  has had 78 commits made by 6 contributors
  representing 3,014 lines of code
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  is mostly written in C#
  with a very well-commented source code
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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 1 years of effort (COCOMO model)
  starting with its first commit in December, 2009
  ending with its most recent commit over 4 years ago