Improves support for certain SFTP and WebDAV servers and enhances Snow Leopard compatibility for the iMedia Browser component. ($57 Regular/$97 Pro, free update, 26.8 MB)

This first release of Kaspersky's Internet security utility aims to prevent Macs from harboring and passing on Windows viruses. ($59.95 new, 49.4 MB)

Adds support for Flickr accounts, improves layers functionality, and adds new keyboard shortcuts. ($35.95 new, free update, 23.2 MB)

Fixes a number of bugs, several of which cause crashes, and tweaks a handful of minor features. ($40 new, free update, $10 upgrade for BusySync users, 4.5 MB)

Significantly improves performance, especially for 3D graphics; supports Windows 7; offers better integration with Mac OS X; supports multi-touch trackpad gestures. ($79.99 new, $49.99 upgrade, 219 MB)

Adds a new notification system, support for keyboard shortcuts, a new column for Followers, and a slew of bug fixes. (Free, 2 MB)

Brings back multiple display support and fixes a variety of performance- and usability-related bugs. Free, 16.6 MB

Adds support for Apple TV 3.0, improves accessibility, and adds a dark background color option in Grid View. Free, 85.82 MB

Fixes a number of issues with Snow Leopard and enhances tracking of recently used folders. ($34.95 new, free update, 10.7 MB)

Enables users to take advantage of the Magic Mouse's special multi-touch features. Free, 36.22/63.92 MB

Adds 64-bit optimization for Snow Leopard users, Windows 7 support, a simplified process for porting a physical Windows installation to a virtual Mac installation, and better support for graphically intense applications. ($79.99 new, $39.99 upgrade, 186 MB)

ScreenFlow 2.0 adds transitions and other valuable editing features to this superb screencast-making software. $99 new, $29 upgrade, 7.8 MB

This update helps test servers running Mac OS X Server 10.6 for hardware issues. Free, 20.2 MB

Focuses on improved compatibility with Snow Leopard and adds both iPhone/iPod touch content and a security information Twitter stream. $79 new, free upgrade for users who purchased version 2.2 after 28 August 2009, 15.8 MB

Minor update allows shorter Mobypicture URLs, leaving more room for tweeting. €4.95 new, free update, 566 KB