This is by no means an exhaustive list! You'll find many of these resources are offered by Neurodivergent (ND) people with lived experience.
Young Minds information about ADHD
A young person's experience of the intersection between mental health and autism.
Language use around neurodiversity
Autistic Girls Network has many useful resources. Read here to find out more about co-occurring autism and ADHD: AuDHD
Pooky Knightsmith has resources on a wide range of topics related to neurodivergence and mental health on her website and on YouTube
Pete Wharmby has informative YouTube resources, books and posts regularly on Instagram.
The Curly Hair Project is an organisation that helps people on the autistic spectrum and those close to them. Founded by autistic author Alis Rowe, it uses animated films, stories and comic strips making it interesting and accessible.
Siena Castellon wrote "The Spectrum Girl's Survival Guide: How to Grow Up Awesome and Autistic" at the age of 17. You can check out a review here.
"Different, Not Less." is a book written about the popular young actor's experience of being autistic. You can read a review here.
Authentically Emily, a blog by an AuDHD young person, has an Autism and ADHD book guide for children, young people, parents and professionals.
The Autism Books by Autistic Authors Project lists graphic novels written by autistic authors which are related to autism or have autistic characters.