Here are the latest updates for Mac OS X apps:

Tropical Software (www.tropic4.com) has announced TopXNotes touch 1.2.1, an update to their personal note managing system. Now with NoteZoom, you can adjust the font size on the go as you hurry to the next destination.

Comm-Unity Networking Systems (http://cnsbarcode.cnsplug-ins.com/) has rolled out an update for CNS Barcode to version 1.3.1. This FileMaker Pro plug-in brings barcode scanning and generating to the desktop. Version 1.3.1 fixes a few bugs and includes a complete rewrite of the ScanWindow code.

Karelia Software (www.karelia.com) has released Sandvox 2.7, an update of the web page design software. The new version introduces support for several Mountain Lion features, a new "Google +1" sharing feature and an overhauled Host Setup Assistant.

Aperio Lux (http://aperio-lux.com) has served up uDesktop HD 1.8, an update to their desktop wallpaper application that lets users choose from many hi-res images. The app now allows users to import their own images into the User Catalog for inclusion in their desktop image playlist.

MaBaSoft (www.mabasoft.com) has given us World Clock Deluxe 4.8.3, a new version of tool for displaying multiple clocks in a configurable horizontal or vertical palette. Daylight-saving time information for Jordan and the Brazilian States of Bahia and Tocantins has been updated.