You can hardly be more evidence-based than the Harvard Centre for the Developing Child. They offer excellent resources for service providers and for families (some of them available in multiple languages) on brain development basics, the various sorts of stress, and how to set the foundations for building a resilient, healthy brain.
As the American leader in the field, Zero to Three works to ensure that babies and toddlers benefit from the early connections that are critical to their well-being and development. Their entire website is a mine of useful information.
The Knowledge Institute on Child and Youth Mental Health and Addictions (formerly the Ontario Centre of Excellence for Child and Youth Mental Health) is a treasured partner of ours, and we particularly value their expertise in, among other things, community engagement. We especially recommend their parent engagement resource.
The Affiliated Services for Children and Youth and Dr. Jean Clinton in Hamilton, ON have produced short videos about important aspects of the very early years of a child's life:
The Saskatchewan Rrevention Institute focusses on reducing the occurrence of disabling conditions in children using primary prevention methods. We like their great trainings on how to have conversations on sensitive topics with families.
The Mehrit Centre aims at promoting and encouraging self-regulation, an important foundation of healthy human development.