vim-jinja

In a Nutshell, vim-jinja...

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  has had 20 commits made by 6 contributors
  representing 163 lines of code
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  is mostly written in Vim Script
  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 September, 2012
  ending with its most recent commit almost 5 years ago