jekyll theme
R jekyll.
simple and works for R
Duke course
Beautiful jekyll
#
good jekyll
with category and tags.
It actually easlily done by jekyll. See jekyll on youtube.
http://stackoverflow.com/questions/20872861/jekyll-display-posts-by-category
http://stackoverflow.com/questions/23914661/jekyll-liquid-get-all-pages-from-category-from-page