I built Just A Summary with the Hugo static site generator. The marvellous Mythic Beasts host it on one of their Raspberry Pis.

The theme is a much messed with version of the Tufte CSS theme for Hugo. The most recently maintained version of which is available at https://github.com/loikein/hugo-tufte In theory, we are fully IndieWeb enabled. In practice, I tend to let that stuff rust and then come back to it in fits and starts.