Download of JotTheDate 18.4 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. The program belongs to System Tools. We recommend checking the downloaded files with any free antivirus. This free Mac app was originally designed by iStartApp.
From the developer:
​JotTheDate is your Calendar app on the Mac that allows full integration and display of drawings generated with the companion iOS app JotTheDate, for iPhone iPad and Apple Watch, that you can easily find and download on your Apple devices in the iOS Apple Store.
You may want to check out more software for Mac, such as Macfilink, LaCie DVD Update Tool or PodManager, which might be related to JotTheDate.