Apps
CodeBox
An intuitive code snippet manager.
ResolutionTab
Fast switching between Standard and HiDPI modes.
PNG Compressor
Native mac UI for lossless PNG compression.
Hunting Free
Menu bar utility for Twitter search.
Open Source
MASPreferences
Modern implementation of the standard Preferences window missed in AppKit framework.
MASShortcut
Modern framework for managing global keyboard shortcuts compatible with Mac App Store.
Popup
A useful Cocoa project that demonstrates how to manage your own icon in the menu bar.