Birthdaybook 6.9.4 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. Birthdaybook for Mac is categorized as Productivity Tools. We recommend checking the downloaded files with any free antivirus. This Mac app is a product of com.rdutoit.
From the developer:
birthdayBook is a simple and very useful application which presents elegant reminders of all upcoming birthdays and other events according to a user defined date range. You can customize the way the reminders look including creating their own icons from iPhoto or a folder of images. You can select to show birthdays of famous people too, mostly artist, writers, and other historic notables.
You may want to check out more Mac applications, such as The Hit List, Dates to iCal 2 or World Clock Deluxe, which might be related to Birthdaybook.