speex.js

In a Nutshell, speex.js...

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  has had 30 commits made by 4 contributors
  representing 101,231 lines of code
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  is mostly written in JavaScript
  with a very low number of source code comments
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  has a young, but established codebase
  maintained by nobody
  with stable Y-O-Y commits
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  took an estimated 26 years of effort (COCOMO model)
  starting with its first commit in April, 2012
  ending with its most recent commit over 11 years ago