Cyberduck 4.3.1 -- Reminding everyone that Fetch and Transmit aren’t the only players in the file transfer app game, the release notes) team has released version 4.3 of the open source app, the first update since late 2011. The biggest news is that Cyberduck has dropped support for Dropbox, Google Drive, and Windows Azure, enabling the developers to get their ducks in a row to improve support for Amazon S3 (though a Cyberduck  notes that the team may reintroduce support for Azure and Google Drive should user demand be significant). The new release gets updates for OS X 10.8 Mountain Lion with support for Gatekeeper and Notification Center, plus it adds support for Retina displays. Cyberduck is now also integrated with , a service that provides analytics and monitoring for CloudFront distributions, S3 buckets, and containers in Rackspace CloudFiles. A few days after this update came out, Cyberduck 4.3.1 was released with a fix for an issue that prevented the app from setting the speed limit to unlimited. Cyberduck is free, though you can support it via a donation or a $23.99 purchase made through the . (Free, 26.1 MB,
 about Cyberduck 4.3.1.
Postbox 3.0.8 -- Postbox has released of its eponymous email client, using the integrated graphics processor exclusively on MacBook Pro models that have dual GPUs in order to reduce power usage and thus save some battery life. The update also adds a Run Filters on Folder toolbar button, ensures that Notification Center alerts link directly to messages, displays the account name next to the folder name in the message pane, and adds automatic account configuration support for iCloud email accounts. Plus, it fixes an issue with Growl integration, a crash when indexing, and a crash when importing from Thunderbird. ($9.95 new, free update, 21.5 MB, )
 about Postbox 3.0.8.
Little Snitch 3.1 -- While it has been possible to use profiles in the traffic monitoring utility to create a set of rules that limit connections, you still had to remember to switch to that profile manually. With Little Snitch 3.1, Objective Development has added a new  capability that enables you to assign a network (such as your home Wi-Fi network or a coffee shop hotspot) to a specific profile. When you first connect to a network, an alert window pops up to ask which profile you want to assign to the network. You can also choose to do nothing or configure a default profile that will be used for all unknown networks. No network traffic is allowed while the alert window is open to prevent email and file synchronization accounts from sending and receiving data in unwanted situations. Other changes in Little Snitch 3.1 include an improved Restore Factory Defaults feature, a bug fix for a rare issue that could cause a kernel panic, and an updated help section covering the addition of Automatic Profile Switching. ($34.95 new, free update, 13.2 MB, )
 about Little Snitch 3.1.
Transmit 4.3.4 -- Panic has released release notes), a small maintenance release that should bring some joy to those running Mac OS X 10.6 Snow Leopard. The update squashes a bug where Transmit’s user interface wouldn’t respond when attempting to synchronize folders on Snow Leopard. In addition, the file transfer program fixes a connection failure for some servers when connecting to FTP via TLS/SSL, puts paid to crashes that occurred when minimizing the app during a transfer and when downloading server favicons for favorites, and fixes a problem with Transmit Disk auto-updating. ($34 new, free update, 29.4 MB,
 about Transmit 4.3.4.
SpamSieve 2.9.7 -- C-Command Software has released with improvements to overall accuracy in the spam-filtering utility. The update no longer links against AppleScriptKit, a change that removes some GUI scripting functionality but works around a bug that could prevent SpamSieve from launching. It also improves the movement of trained messages when Outlook has lost track of the special Junk E-mail folder, fixes an Outlook bug that prevented addresses from loading if an error was reported while acquiring a contact’s email address, fixes a permissions-related problem and works around a rule-syncing bug in Apple Mail, adds more checks to ensure that SpamSieve has proper permissions to access required folders, improves error reporting for Apple Mail and Growl, and improves the Japanese localization. SpamSieve now requires Mac OS X 10.5 or later (older versions compatible for Mac OS X 10.2 through 10.4 are available from this ). ($30 new with a 20-percent discount for , free update, 10.8 MB, )
 about SpamSieve 2.9.7.
GraphicConverter 8.6 -- Lemkesoft has released with a number of new features, including the addition of layers, a brightness with curve function, and support for the DPHOTO online sharing and backup service. Other additions include a filmstrip option for displaying movies, shortcuts for both lossless and virtual rotation and mirroring, an option to save RGBA files as TIFFs with or without a premultiplied alpha channel, and a last-used zoom option. The graphic conversion and editing utility also receives a few updates, including improved WPG and WPG2 import, an updated ExifTool, extended keyboard control in the browser, and improved sharpen range. The update also fixes bugs that affected importing of CMYK TIFF files with JPEG compression, 32-bit grayscale TIFFs, and GIF animations in certain situations. As of this writing, GraphicConverter is still stuck at version 8.5.3 in the . ($39.95 new from the Lemkesoft Web site or $38.99 from the Mac App Store, 155 MB, ).
 about GraphicConverter 8.6.