Maybe the release of OneNote has been lost, but does anyone really care about it? I think I had it installed as part of Office the whole time I was at my previous job but never ever used it for anything. Word and Excel may or may not be important, but I doubt there can be many people who would ditch Office completely except for OneNote.
Easy there tiger! None of what you mentioned is dedicated note taking apps, though they of course might be used for the purpose.
The "I don't know anyone who use is so it doesn't exist" argument doesn't really hold. The only time I've heard of anyone using Vim was 12 years ago. That was a guy with very long, very dark hair who didn't talk much.
Does this mean Vim is not widely used? Of course not. It just means I don't work with people using Vim.
Look around the web for OneNote resources, I'm sure you'll find plenty.
