You didn’t bring up a lot of apps that are similar. Is it because open source is a requirement? Not sure because you bring up obviously non open source app issu

You didn’t bring up a lot of apps that are similar. Is it because open source is a requirement? Not sure because you bring up obviously non open source app issues. For a quick look at quite a few apps would be all the Zettelkasten notes apps. Taio is recently out for iOS and Mac too. I also don’t look at any of the options you listed. There’s still a handful of apps left over.