I must be a minority here, but I still consider Evernote to be the best notetaking app. Using keyboard shortcuts, I can instantly start entering new note, instantly search for notes, and very quickly find anything I put there, even years later. This is exactly enough for me. But I admit that I mostly use it only for text notes, and only use Windows client. Tags also works as it should, and the application doesnt force me to categorize the notes, like Onenote for example.