New internal drawing order and menu-scanning technique improves speed in looking up keyboard shortcuts. (€19.99 new, free update, 2.6 MB)

Addresses a storage firmware issue that could cause a system to fail to recover from a crash. (Free, 1.69 MB)

Adds infinite scrolling through your chat history, plus the capability to jump to a specific time period. (Free, 39.6 MB)

Maintenance release fixes Zoom to Width on smaller screens. ($59.95/$99.95 new, free update, 50/50.7 MB)

Fixes issues recognizing connected video cameras and improves compatibility with iMovie for iOS ($14.99 new, free update, 1.08 GB)

Adds two new designs geared toward image galleries, plus adds support for optimizing Web site images for Retina displays. ($79.99 new, free update, 37.8 MB)

Adds support for OAuth 2.0 authorization and Google’s new CalDAV API for Google Calendar. ($29.99 new, free update, 9.4 MB)

Addresses stability issues with Target Disk Mode (Free, 1.22 MB)

After a recent major update to the keyboard-driven launcher, version 2.0.3 squashes a heaping helping of bugs. (Free, £15 for Powerpack, 2.8 MB)

Maintenance release with a few targeted fixes for Outlook, PowerPoint, and Word. (Free update, 113 MB)

Updates Batch Converter to handle all Windows Media files and ALAC-encoded CAF files. ($32 new, free update, 11.5 MB)

Adds compatibility with Mountain Lion, while dropping support for Dropbox, Google Drive, and Windows Azure. (Free, 26.1 MB)

Reduces power usage for MacBook Pro models with dual GPUs, plus links Notification Center alerts directly to messages. ($9.95 new, free update, 21.5 MB)

Adds Automatic Profile Switching feature that can assign and change to a designated profile when you connect to a specific Wi-Fi network. ($34.95 new, free update, 13.2 MB)

Fixes a problem where the user interface wouldn’t respond while synchronizing folders on Snow Leopard. ($34 new, free update, 29.4 MB)