Airfoil 4.5 -- Rogue Amoeba continues to extend the wireless reach of audio with, a major update to its popular wireless audio distribution utility. Most notably, Airfoil 4.5 adds full support for third-party AirPlay devices, enabling you to send audio to any AirPlay-enabled speakers or devices. AirPlay support has also worked its way into the free Airfoil Speakers extra, enabling Airfoil Speakers to receive audio from iTunes and iOS apps, along with Radium on Mac OS X. Also new in Airfoil Speakers is the capability to control playback in several new sources like Spotify, Rdio, and Radium. Airfoil 4.5 introduces support for Mac OS X Lion, opts out of ClickToFlash, and provides a number of bug fixes and performance enhancements. ($25 new, free update, 12.6 MB, )
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GraphicConverter X 7.3 -- Lemkesoft has released, an update to its venerable graphic conversion software. According to the , the new version includes a number of bug fixes and improvements to existing import modules and CoreImage filters, in addition to support for HTC splash screens and AAI/Dune files, plus email support for Outlook 2011. The update also provides compatibility with Mac OS X Lion, making it a must-download for those planning to upgrade to Lion soon. ($38.99 new from Lemkesoft’s Web site or the , free update, 100 MB)
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KeyCue 5.3 -- Ergonis Software has released, an update to its app designed to remind you of keyboard shortcuts whenever you need a hint. The new version features a number of performance improvements and provides  with several apps, including Screen Sharing, iKey, iChat, and the development environment Eclipse. In addition, KeyCue now includes an optional legend that explains the meaning of symbols used in the shortcut table. (€19.99 new, free update, 6.1 MB)
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Opera 11.50 -- While Safari, Firefox, and Chrome have been getting most of the attention, Opera has been quietly at work on, which now includes a  of new features, improvements, and bug fixes. The Web browser’s user interface has received a number of improvements, ranging from a new icon set to better layout. , the company’s data-synchronization service, is now capable of storing passwords alongside other browsing data, while Opera Mail includes better support for Gmail’s IMAP service. Opera’s support for HTML 5 has received a significant boost through the introduction of numerous new features, including the Opera Presto 2.9 rendering engine. (Free, 13.7 MB)
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Postbox 2.5 -- Postbox has released version 2.5 of its eponymous Mac App Store, free update, 20.4 MB), which includes a long list of enhancements, starting with numerous improvements to its user interface. These include tweaks to the app’s signature vertical view, its composition window, message view, and even its notification bar. According to the , Postbox 2.5 also adds IMAP support for Yahoo Mail accounts, an inline quick reply feature, a new inline junk-mail notification panel, and support for searching messages by topic via Spotlight. ($19.99 new from Postbox’s Web site or the
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EagleFiler 1.5.4 -- C-Command Software has updated, its document- and data-archiving app, to version 1.5.4 (see “ ,” 24 February 2010). According to the , EagleFiler 1.5.4 includes a slew of optimizations and bug fixes, in addition to a few new features. The app can now read data in a more efficient way from several RSS readers, including NewsRack and NetNewsWire, and can import bookmarks from a variety of sources, like Safari, Delicious, Pinboard, and others. EagleFiler 1.5.4 also includes early support for the upcoming Mac OS X Lion, where the app can run in full-screen mode. ($39.99 new from C-Command’s Web site or the , free update, 11.4 MB)
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