Improves battery performance on 2009 Apple Wireless Keyboards when used in concert with Bluetooth devices. (Free, 1.14 MB)

Improves CPU usage on early 2009 Mac Pro models during audio-related activities. (Free, 1.64 Mb)

Updates the user interface, adds new wide-screen mode, and enables users to tag their fonts. ($79 new, free update, 28 MB)

Improves image previews, enhances search options, and expands project listing capabilities. ($79.95 new, free update, 10.3 MB)

Improves battery level display accuracy, fixes a bug related to launching third party apps, and addresses a handful of security threats. (Free, 291 MB)

Fixes issues related to saved passwords, iPod syncing, and general stability. (Free, 90.82 MB)

Fixes an issue that causes flickering in the displays of late 2009 27-in iMacs. (Free, 294 KB)

Adds a new AppleScript command for optimizing outgoing pictures, and fixes issues with drag-and-drop functionality, keyboard shortcuts, and more. ($24.95 new, free update, 19.9 MB)

Improves macro importing, expands options for hot keys, and fixes a handful of problems - including a couple of crashing bugs. ($36 new, free update, 7.7 MB)

Adds a new Calendar Groups feature, includes a new global font size preference, and fixes a number of bugs. ($40, free update, 6.2 MB)

Improves battery performance and fixes unexpectedly repeating keys. (Free, 1.52 MB)

Adds support for Whole Disk Encryption and Boot Camp under Snow Leopard, optimization for solid state drives, improves run time speeds, and enables compatibility across mixed networks of Linux, Apple, and Windows systems. (PGP Desktop Professional [including Whole Disk Encryption], $239; PGP Desktop Email, $164; PGP Desktop Home, $99; PGP Whole Disk Encryption, $149; volume discounts available; free update to all users with subscription licenses or maintenance)

Expands support for VoIP Caller ID, improves phone number formatting, and enables users to send SMS messages via the keyboard. ($20, free update, 2 MB)

Can be used to restore firmware on an early 2009 Mac Pro or Xserve after interrupted or unsuccessful updates. (Free, 22.5 MB)

Fixes a number of issues including Today list sync conflicts, missing search results, and unresponsive interface behavior. ($49.95, free upgrade, 8.4 MB)