App: DejaDesktop Calendar Wallpaper
Developer: CompanionLink Software
Genres: Business, Productivity

A free monthly Calendar to your macOS wallpaper!  Your Mac background picture will show an up-to-date day agenda, monthly calendar, contact, or task list. 

Fully automatic, updates every day.  

New:  Now includes in App purchases for holiday calendars for US UK, Austria, Canada, France, Germany, Italy, Japan, Netherlands, Slovenia, South Africa, Switzerland.  Also Jewish, Muslim and Catholic Holy Days.

If you use Mac iCal, Google or Outlook for Mac to schedule your events, there is an in-app purchase for a data feed. 

The data feed allows you to add a day view, to show appointments scheduled today, and also quick lists for Tasks, Contacts and Notes. Use categories to select a few notes or contacts so you always have them handy. Keep your task list so you can see what to do next. Automatically updates whenever you change your calendar or tasks.

Release notes:
•Added Holidays button to Welcome Screen.
•Bug Fixes and Performance improvements.