They used to be mostly in Spanish but they have a lot of English courses now.
Wide variety of creative subjects.
Examples for rules:
Crocheting Amigurumi Animals for Beginners
A course by Joanna Kienmeyer
https://www.domestika.org/en/courses/5173-crocheting-amiguru…
Furniture Design and Construction for Beginners
A course by Patricio Ortega (Maderística)
https://www.domestika.org/en/courses/1328-furniture-design-a…
Introduction to Feng Shui
Learn how to harness the energies around you by optimizing any space using the principles of Feng Shui
A course by Cliff Tan, Architect and Feng Shui Practitioner
https://www.domestika.org/en/courses/4601-introduction-to-fe…
Please post any courses you like or like the look of in the comments.