1Password

AppZapper

BetterZip

BookMacster

Byword

Briefs

calibre

CodeBox

Dash

Day One

DEVONthink Pro

Doxygen

Graphviz

Inkscape

Kaleidoscope

Librarian Pro

Little Snitch

Lyn

MindNode Pro

MyThoughts

OmniFocus

OmniGraffle

OmniPlan

Prepo

Script Debugger

Scrivener

Sequel Pro

Sketch

SourceTree

Sublime Text 2

TextMate

Things

WOWSlider

XMind

xScope

Zwoptex