Patches security vulnerabilities and fixes bugs by upgrading to the latest version of Java available. (Free, 74.30 MB for Snow Leopard, 119.07 MB for Leopard)
Features a completely revamped interface, and significant improvements to the recipe editor, chef view, and recipe import assistant. (MacGourmet 3.0: $29 new, $10 upgrade, free updates for purchases after 1 July 2010, 12.7 MB. MacGourmet Deluxe 3.0: $49.95 new, $24.94 upgrade, $34.95 sidegrade, 26.5 MB)
Improves integration with Firefox, Address Book, iTunes, and Aperture, adds calculator options, and fixes numerous minor bugs. ($35 new, free update, 2.22 MB)
Includes better support for Growl, 1Password, and SpamSieve, along with various bug fixes. ($39.95 new, free update, 12 MB)
Both updates patch serious security vulnerabilities, and the Office 2008 update also resolves some Excel and Entourage bugs. (Free updates; the Office 2008 updater is 333 MB and the Office 2004 updater is 16 MB)
Boosts compatibility with 6 and 12-core Mac Pros and more. (Free updates, Pro: 193.01 MB, Express: 139.67 MB)
New integration with iMediaBrowser and Flickr, and new ability to link audio to specific slides. ($149 new, free update, 57.9 MB)
Resolves several minor bugs and a crash when saving preferences. ($199.99 new, free update, 13.3 MB)
Adds support for Outlook 2011 and Postbox 2, and makes other small improvements. ($30 new, free update, 7.8 MB)
Enables older MacBooks and MacBook Pros to work with newer MagSafe power adapters. (Free, 880 KB)
Smaller memory footprint, improved AppleScript support, various bug fixes. ($59.95/$99.95 new, free update, 41 MB)
Patches a serious remote exploit, in addition to adding a few enhancements. (Free updates, various sizes)
Adds support for t.co links, Posterous image uploading, and more - along with bug fixes. (Free, 2.3 MB)
Offers full Snow Leopard compatibility and support for IPv6 addresses, along with a slew of bugfixes. (Free, 880 KB)
Addresses issues including plug-in support, speech notifications, and performance problems. (Free, 6.1 MB)