CADDAC is the Centre for ADHD Awareness, Canada. They do work with awareness, education, and advocacy for work with ADHD across Canada. In addition to webinars and programming, they also have an annual conference. Their website has multiple resources on it.
CAMH is the Centre for Addiction and Mental Health and is the preeminent site for mental health services in Canada (located in Toronto. They are particularly notable for treating adult ADHD.
ADDitude Magazine publishes online on ADHD. Additionally, they provide access to webinars and their website has a number of resources.
Maybe you have a resource you really like? Our team always loves to check out recommendations from others. Feel free to email Dr. Miller.