I use http://www.siteleaf.com http://www.siteleaf.com its got a nice web UI and it uses liquid templates and Jekyll behind the scenes I think so it's pretty eas

I use http://www.siteleaf.com http://www.siteleaf.com its got a nice web UI and it uses liquid templates and Jekyll behind the scenes I think so it's pretty easy to write template logic and you can host on github pages for free.