Exhaustive list of OS X keyboard shortcuts

A database of hidden settings for Mac OS X

Here’s the incredibly complicated procedure for building an app that keeps a webpage open in a floating window:

This plugin provides Xcode-like project window interface without drawer and adds "Open Terminal Here" button to the file list's button panel.

nvALT 2 is a fork of the original Notational Velocity with some additional features and interface modifications, including MultiMarkdown functionality

GitX is a gitk like clone written specifically for OS X Leopard and higher.
This means that it has a native interface and tries to integrate with the
operating system as good as possible. Examples of this are drag and drop
support and QuickLook support.

SizeUp allows you to quickly position a window to fill exactly half the screen (splitscreen), a quarter of the screen (quadrant), full screen, or centered via the menu bar or configurable system-wide shortcuts (hotkeys). Similar to "tiled windows" functionality available on other operating systems.

Enhances OSX Save and Open dialogs with recent folders, spotlight, and finder integration

Allows windows to be quickly resized to full/half screen by dragging the windows to a screen edge. Essential for laptop where screen space is at a premium

Free software that adds GPS position and location data to your photos. Works on JPEG and many raw formats including NEF. The latitude and longitude recorded by your GPS unit are linked and saved to your photos. GPSPhotoLinker automatically enters the city, state and country into the metadata.

CocoaDev is a WikiWikiWeb site for and by the Mac OS X developer community.