The same thing exists for the R programming language in Slidify [0]. I found Slidify + Google's io2012 framework an efficient way to generate good-looking presentations [1] so I can see the appeal in extending this to non-programmers.

[0] http://slidify.org/

[1] http://benjaminlmoore.wordpress.com/2014/02/24/slidify-prese... — disclaimer: my blog