I've been using Obsidian for a short while after seeing a comment here on HN. I've used a lot of desktop notetaking apps, and this one really is different. It's the app HN commenters would write themselves. I expect it to be very successful in the next few years. It hasn't changed my life, because I'm not going to trust it with anything important right now, but they do have an ethusiastic community.

There's a new video out today if you want an overview:

https://youtu.be/cFYaWC_86W0