CSON is an interesting alternative to JSON, using coffeescript. Comments! https://github.com/bevry/cson (especially if you're already using cs)
Related Posts
I've started using Logseq for note taking: it's roughly in the same space as Roam/Obsidian but OSS and using markdown on your local disk.
So far it works really well. I like using [[Link]] syntax for cross-referencing themes that I mention in several places.
Dogfooding difftastic: comparing the results of the sample files using difftastic.
So I'm diffing the results of my diff tool by using my diff tool :)
Strategies for ramping up, working effectively and having fun when you're not using a mainstream programming language: https://morepablo.com/2022/09/so-you-re-using-a-weird-language.html