Download of TransDock X 1.0.4 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac application is a product of NoThInGgOeS.COM. The program lies within Theming Tools, more precisely Icons & cursors. We recommend checking the downloaded files with any free antivirus.
From the developer:
TransDock X is a utility that allows you to transform your OS X Lion Dock in seconds! With just a few clicks, TransDock X is able to set both your dock transparency and location.
The application requires: Intel Macintosh, Mac OS X 10.6.8, Mac OS X Lion 10.7.
You may want to check out more Mac applications, such as Startrail, DockX or InerziaIcon, which might be related to TransDock X.