Marmaladesoul
Marmaladesoul reviewedFSNotesFile system notes manager
 RecommendedPros: 

Fast, open-source, supports RTF, multiple note source directories, super-responsive developer; syncs with iOS version.

Cons: 

Nothing really.

This is a power-user's note app, built for speed, speed, speed.

Marmaladesoul has used this product for one month.