Review of Notational Velocity powered by the Slant community.
Ranked in these QuestionsQuestion Ranking
Pro Simple and minimalistic
The interface is clean and unobtrusive.
Pro Syncs with SimpleNotes or Dropbox
Con Feels a bit outdated
The last release was from 2011. Although due to its brilliant simplicity in doing what it's designed for, some might think there hasn't been any need for an update, as long as it still works with the newer OSs.