Wow, you have so much cool tools you are building. It's been .5 hrs since I started digging and is still reading up on https://github.com/Cirru, calcit-editor, and your medium posts. You should post sometimes on https://www.reddit.com/r/nosyntax/ if you haven't already.

Edit: On to your year in review posts now.

https://jiyinyiyong.medium.com/year-review-of-2019-on-coding...

https://jiyinyiyong.medium.com/wip-2020-working-projects-38d...

Seeing Cirru being used is a good sign. Showing a tiny graph of usage over time can give confidence to new users.