It probably depends on how complex you are trying to make things. I'm using Hugo...

nicoburns on Sept 10, 2018 | parent | context | favorite | on: Top Open-Source Static Site Generators

It probably depends on how complex you are trying to make things. I'm using Hugo for my blog, and everything I've wanted to do (beyond creating the initial theme) has been a 5 minute task. Now that it includes SASS compilation it's perfect...