It's probably not that hard to build something like that yourself. I remember my first project on Github back when I thought web development was PHP and nothing

It's probably not that hard to build something like that yourself. I remember my first project on Github back when I thought web development was PHP and nothing else was something that felt like a static site generator (all my articles were hand written XML pages with markdown blocks) but would generate blog indexes etc (including its own comment section) by parsing the XML and rendering them to "components" (basically php pages that handled content and arguments and returned HTML). It also had a super simple caching bit (like most forums/blogs do anyway) so it was almost static I guess.