I'm sure there are, but I haven't needed to use any modules so far, so I have no perspective on what kind of challenges they present. But with Jekyll you could

I'm sure there are, but I haven't needed to use any modules so far, so I have no perspective on what kind of challenges they present. But with Jekyll you could get into dependency issues just trying to go through the tutorial and launch a blank template of a site. You didn't need any extra functionality on top of Jekyll to begin to dealing with dependencies.