Patches more than 50 security holes, fixes VoiceOver and plug-in issues, and improves other Web page rendering. (Free, 37.65 MB for Snow Leopard, 46.83 MB for Leopard)

Adds support for Dropbox and Azure, includes a new FTP implementation, and fixes numerous bugs. (Free, 22 MB)

Sports a redesigned interface with built-in video tutorials and numerous new features. ($99.99 new, $79.99 with $20 mail-in rebate, variable upgrade pricing)

Addresses security and stability concerns. (Free, 17.6 MB)

Improves integrations with Apple Mail, Outlook, Entourage, and MailMate, and packs in other fixes. ($30 new, free update, 7.8 MB)

Works around a Google syncing bug, improves MobileMe syncing, and includes numerous other bug fixes. ($49 new, free update, 6.6 MB)

Resolves a bug that caused performance problems in Microsoft Word and FileMaker 11. ($199.99 new, free update, 13.4 MB)

Adds support for Flash 10.2, fixes numerous crashes, and adds a few tiny features. ($25 new, free update, 11.1 MB)

Introduces HD video support and improves contact management. ($0.99 new, 16.8 MB)

Fixes various bugs, including a crash on newer Macs, and adds more image manipulation options to the screenshot-editing utility. (Free, 6.3 MB)

Adds support for six new cameras and addresses processing issues for four others. (Free, 6.45 MB)

Improves PDF handling and includes lots of bug fixes. (Free, 15.9 MB)

Adds the capability to search clip archives, restores Clip Revolver, and adds several new preferences to the multiple-clipboard utility. ($30 new, free update, 4.3 MB)

Improves compatibility with Chrome, Safari, and Firefox, and provides other minor improvements. ($39.95 new, free update, 19.7 MB)

Fixes issues with iSight, FTP, and overall performance. ($49 new as part of iLife ’11, free update, 177.12 MB)