Vadim
Vadim reviewedFSNotesFile system notes manager
 RecommendedPros: 

code highlighting

Cons: 

┐(´~`)┌

the only fast and simple note app I know of, that has code highlighting and a very nice markdown support

Vadim has used this product for one day.
David Wikoff
David Wikoff@derimagia
Quiver also has these things, although this definitely looks more lightweight