In addition to medication and behavior modification, here are some additional methods that have help ADHDers in my private practice strengthen the underlying mental processes that impact ADHD. However, frequency and consistency are very important.

Perceptual Motor Development

S'cool Moves for Learning
Balametrics
Brain Gym


Self-Regulation

Alert Program: How Does Your Engine Run?


Attention Training

Attention Process Training I
AttenGo


Executive Function Training

Collaborative Problem Solving