Change to Chill Change to Chill is a free, award-winning, mental well-being resource offered by Allina Health. The site is tailored toward adults and teens and the adults who work with them. It helps teens become more aware of things that stress them out and equips them with relevant tools and resources to better manage stress and anxiety, so they can live happier, more resilient lives.

Mindful Schools.org They offer 10 free classes for kids geared towards kindergarten to 5th grade, however, any age can participate.   

Insight Timer They offer free listening sessions for mindfulness, meditation, sleep, yoga as well as stories. Ages vary on who the listening sessions are geared for, but there are many for children.