This website is built using Typesetter, a Content Management System that can help you create and edit web sites with a simple interface. What I like most about Typesetter is that it just needs a webserver and php, no additional database is required. Btw: I am unable to compare Typesetter with WordPress as I have never taken a look at the latter one.
The installation is super easy, mainly unzip the downloaded file and drop it in your webserver directory. Unfortunately the onboarding experience was a bit bumpy for me, so I'd like to explain my main use cases: