Wake Up Clock 1.3.3 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. The software lies within Productivity Tools, more precisely Timekeeping. This free software for Mac OS X was originally created by Everyday Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Wake Up Clock allows you to create and adjust multiple alarms. Add them to the special table, set the days and time. You can also select the melody and view mode. One more option is the timer, which you can stop or reset.
You may want to check out more Mac applications, such as Wake Up Light - Alarm Clock, Wake Up Time - Alarm Clock or Sleep Alarm Clock, which might be related to Wake Up Clock.