Nanoc is great, basically framework for creating SSGs. You can literarry do everything and with latest ruby its much faster too - I had some biger site with it

Nanoc is great, basically framework for creating SSGs. You can literarry do everything and with latest ruby its much faster too - I had some biger site with it that took 10 minutes to build (which is done on any editor input). The project is also 15+ years old and continiously developed.