.Net Component Plug-in Framework

In a Nutshell, .Net Component Plug-in Framework...

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  has had 7 commits made by 1 contributors
  representing 7,124 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 codebase with a very short history
  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 February, 2006
  ending with its most recent commit almost 20 years ago