Check out the assistand suite for building system clocks for your desktop. Access an editor for customizing the design, type, and visualization of the clock interface with sections for hours, dates, and even seconds. Save and preview your design before confirming it and placing the elements on the screen.
Clockology 1.4.8 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The application relates to Productivity Tools. This free Mac application is an intellectual property of Clockology LLC.
From the developer:
Clockology lets you make your own unique clocks. Therefore, you can create and view interactive clocks on your desktop. With a powerful editor, you can tap into your creative side and make your own feature-rich clocks custom-tailored to the information and visuals you would like to see. In addition, you can share and import creations from other users around the world.
You may want to check out more Mac applications, such as Widgety, which might be similar to Clockology.