For clarification:<p>That&#x27;s, propellor, the property-based host configuration manager (in haskell).  By coding superstar Joey Hess: <a href="https:&#x2F;&#x2F;github.com&#x2F;joeyh&#x2F;propellor" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;joeyh&#x2F;propellor</a><p>Not propellor, the parallel microprocessor by Parallax: <a href="https:&#x2F;&#x2F;www.parallax.com&#x2F;catalog&#x2F;microcontrollers&#x2F;propeller" rel="nofollow">https:&#x2F;&#x2F;www.parallax.com&#x2F;catalog&#x2F;microcontrollers&#x2F;propeller</a>