Download of SubClock 1.0 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.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this free software for Mac is SubClock. The software belongs to Productivity Tools.
From the developer:
SubClock is an improved clock application for your Mac that allows you see the time the way you want. SubClock lets you change every aspect of the way time is displayed, such as years, days, hours, minutes, etc. There are over 10,000 ways of displaying the time. You can customize the time display according to your preferences.
You may want to check out more Mac applications, such as Tea Timer, Address Book Scrubber or Quote of the Day, which might be similar to SubClock.