MovieChapterizer 4.0 ($15) - MovieChapterizer 4.0 enables users to add chapters to videos, as well as sound files that are playable in QuickTime Player. The major upgrade provides improvements to the video and audio algorithms, enhancements to the GUI, and increases the number of chapters that can be created per movie to 130. The width of some fields in the movie panel have also been increased. [Download - 1.3MB]

Plone 4.0 (free) - The Plone Team has introduced a new version of its open source content management system, Plone 4.0. The update focuses on improving speed, manageability, and appearance of the app, as well as reducing the memory footprint. New themes have been added as well, in addition to greater handling of large files and media. [Download - 32MB]

Total Validator Tool 6.7 (free) - A new 6.7 version of Total Validator Tool has been released, an app that allows users to check and validate web pages. Available in this release is added support for Firefox 4 screenshots and Safari 5 screenshots. The app has also been updated to support HTML 5 and provides a variety of bug fixes, as well as changes to the error positioning in attributes values. [Download - 3.8MB]

TinkerTool System 2.4 ($15) - TinkerTool System 2.4 gives users access to additional system preference settings Apple has not built into Mac OS X. The new version adds an emergency tool to the system, which can be used to repair and troubleshoot Mac OS X installations. Some of its abilities include verifying and repairing the start-up disk before start-up, and deleting user-related Input Managers. [Download - 4.7MB]

myManuals 3.4 ($25) - MOApp has launched myManuals 3.4, an upgrade to its manual creation software that supports HTML, PDF, and Word documents. The new version switches the app to XHTML and includes improved pagination on printouts. Support has also been added for CSS 3 templates, and a series of glitches and bug issues has been dealt with. [Download - 5.2MB]