A database of hidden settings for Mac OS X

Add a secret - Help - Source Code - Discussion Group - Issue Tracker - PrefPane 1.0.6 (10.5+)
Recent - Deleted

Grab File type for screen captures
defaults write com.apple.screencapture type -string
dock Dock Appearance
defaults write com.apple.dock no-glass -float
Xcode Organization name
com.apple.Xcode PBXCustomTemplateMacroDefinitions.ORGANIZATIONNAME -string
Safari Enable debug menu
defaults write com.apple.Safari IncludeDebugMenu -boolean
dashboardlauncher Drag widgets out of dashboard (devmode)
defaults write com.apple.dashboard devmode -boolean
finder Show stripes in list views
defaults write com.apple.finder FXListViewStripes -boolean
GlobalPreferences Login window desktop picture
defaults write /Library/Preferences/com.apple.loginwindow DesktopPicture -path
dock Minimize effect
defaults write com.apple.dock mineffect -string
finder Show hidden files
defaults write com.apple.finder AppleShowAllFiles -boolean
iTunes Arrows link to library instead of store
defaults write com.apple.iTunes invertStoreLinks -boolean
Terminal Make focus follow mouse
defaults write com.apple.Terminal FocusFollowsMouse -boolean
Safari (3.1) Open all "new window" links in tabs
defaults write com.apple.Safari TargetedClicksCreateTabs -boolean
finder Show x-ray folders in Quick Look
defaults write com.apple.finder QLEnableXRayFolders -boolean
LaunchServices Enable quarantine
defaults write /Library/Preferences/com.apple.LaunchServices LSQuarantine -bool

Show full list