Brain Fitness Apps
Fit Brains (http://www.fitbrains.com/)-Brain games, brain training & brain exercises that challenge your brain to stimulate your memory, focus and brain speed.
Lumosity (http://www.lumosity.com/)-Enjoy daily workouts that challenge 5 core cognitive abilities.
Focus Apps
Focus (http://www.focusapp.io/#focus-ios)-Helps you beat procrastination and be more efficient by working in intervals (Focus sessions).
Focus@will (https://www.focusatwill.com/)-Listen to multiple music channels scientifically optimized to increase concentration and productivity.
The Happy, Healthy Nonprofit: Strategies for Impact Without Burnout 