Here are some resources that provide practical ideas and supports for children with a variety of behavioral struggles:

Great info for all types of learning and behavioral struggles:  Understood

Dr. Ross Greene, originator of the Collaborative Problem Solving Approach (now called Collaborative and Proactive Solutions) has lots of free information and resources here:  Lives in the Balance

Sarah Ward is a national expert on all things executive function.  Check out her website here:  Cognitive Connections

Dr. David Murphy and his team provide coaching and support on the South Shore for children and adults with ADHD and other Executive Function Deficits:  Effective Efforts

Sensory regulation struggles and sensitivities are at the root of many children who struggle behaviorally.  This site has lots of great toys, games, etc. to help children with these struggles:  Fun and Function