August Emacs carnival is about the search for knowledge. While I take notes and link them, I don't use Emacs. I've been on the Obsidian train pretty much since it came out with a short deviation into Craft.
I've loved the plugins that Obsidian has, but those plugins are also it's downfall. I used the Long Form plugin for a while, but then stopped and move that writing to Emacs because the plugin was loosing my data any time I tried to use it. But despite my love for Emacs, I haven't moved my notes over to it and I have no plans on moving my notes over to Emacs.
Currently Obsidian has around 9,000 individual files across my notes and writing. It's saved in a portable markdown format. Obsidian's sync service works flawlessly all the time and the mobile apps are good.
On the Emacs side, every few weeks I have some issue with Syncthing that means I need to sort out some type of sync conflict and because of this I really only add content from my phone via Beorg to my inbox.org file. I don't edit other files if I can help it, the risk is simply to high that I'll have some huge mess to sort out when I get back to my desktop.
The main reason I don't switch is that I don't think that migrating tools is the big productivity boost that most people think it is. Yes the Emacs vim key bindings are better than what Obsidian provides. Yes I can very easily hack Emacs to do whatever I want, but Obsidian does everything I need already. So moving my notes to Emacs would most likely be me finding Emacs more fun right now than Obsidian because it's new.
I've wondered about accessing Obsidian from Emacs so I have Emacs goodness in my Obisidian, but even that feels like me searching for a reason to use Emacs where I don't really need it.
If you want to read how I setup Obsidian, my 2026 walkthrough is still how I do it.