Quillbott
You can link to calendars from Bookingmood in Quillbot.
Create a widget
You will need to create a widget in Bookingmood first. Learn how to create it here: Creating a widget.
Click on Embed and copy the oEmbed link. You will need this in the next step.
Link to your calendar in Quillbot
Right click on a button or a text.
Click on Link.

Paste the oEmbed link.
The text or button will now link to your calendar directly.
🎉 You're done and everything is set! Changes you make to your calendar will automatically reflect on your widget.