Did build my own, it's way more private. Doesn't have these always on features, does have a lot more unique ones, but give me like two more weeks. That "always on" stuff is so ridiculously simple. https://blackbear.app
Perhaps highlight the AI assistant aspect more prominently? If it weren't for seeing this link in this HN discussion, I would have interpreted the offering as some collaborative workspace, a bit like nextcloud.
Cool app. I downloaded it and will try it out. Looks great in a Samsung fold.