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Share notifications and files between OS X, iOS, and Android platforms.

Customize hidden OS X settings.

Enables OS X 10.10 Continuity features on compatible hardware.

Show and hide system files hidden by Mac OS X.

Toggle OS X's automatic proxy on and off.

Native OS X GUI for Mercurial.

Git GUI specifically for Mac OS X.

Classic Mac utility, now a prefpane for OS X.

Play with OS X's text-to-speech system.

Front-end for the built-in PF firewall in OS X 10.7 or later.